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Finding the Fourth Proportional to 60,687,714.70, 91,031,572.05 and 60,309,801.10

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Solution

The fourth proportional to 60,687,714.70, 91,031,572.05 and 60,309,801.10 is: 90,464,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687,714.70 : 91,031,572.05 = 60,309,801.10 : x
  2. Step 2: Convert to fraction form
    60,687,714.70/91,031,572.05 = 60,309,801.10/x
  3. Step 3: Cross multiply
    60,687,714.70x = 91,031,572.05 × 60,309,801.10
  4. Step 4: Simplify right side
    60,687,714.70x = 5,490,096,004,155,819
  5. Step 5: Solve for x
    x = 5,490,096,004,155,819/60,687,714.70
  6. Step 6: Final answer
    x = 90,464,701.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.