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Finding the Fourth Proportional to 70,214.52, 96,905.10 and 40,010.70

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Solution

The fourth proportional to 70,214.52, 96,905.10 and 40,010.70 is: 55,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,214.52 : 96,905.10 = 40,010.70 : x
  2. Step 2: Convert to fraction form
    70,214.52/96,905.10 = 40,010.70/x
  3. Step 3: Cross multiply
    70,214.52x = 96,905.10 × 40,010.70
  4. Step 4: Simplify right side
    70,214.52x = 3,877,240,884.57
  5. Step 5: Solve for x
    x = 3,877,240,884.57/70,214.52
  6. Step 6: Final answer
    x = 55,219.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.