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Finding the Fourth Proportional to 107,995.90, 149,044.68 and 60,253.68

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Solution

The fourth proportional to 107,995.90, 149,044.68 and 60,253.68 is: 83,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,995.90 : 149,044.68 = 60,253.68 : x
  2. Step 2: Convert to fraction form
    107,995.90/149,044.68 = 60,253.68/x
  3. Step 3: Cross multiply
    107,995.90x = 149,044.68 × 60,253.68
  4. Step 4: Simplify right side
    107,995.90x = 8,980,490,454.42
  5. Step 5: Solve for x
    x = 8,980,490,454.42/107,995.90
  6. Step 6: Final answer
    x = 83,155.85

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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.