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Finding the Fourth Proportional to 108,641.71, 149,925.89 and 60,247.04

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Solution

The fourth proportional to 108,641.71, 149,925.89 and 60,247.04 is: 83,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,641.71 : 149,925.89 = 60,247.04 : x
  2. Step 2: Convert to fraction form
    108,641.71/149,925.89 = 60,247.04/x
  3. Step 3: Cross multiply
    108,641.71x = 149,925.89 × 60,247.04
  4. Step 4: Simplify right side
    108,641.71x = 9,032,590,997.30
  5. Step 5: Solve for x
    x = 9,032,590,997.30/108,641.71
  6. Step 6: Final answer
    x = 83,141.10

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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.