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Finding the Fourth Proportional to 108,502.99, 149,746.92 and 60,747.12

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Solution

The fourth proportional to 108,502.99, 149,746.92 and 60,747.12 is: 83,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,502.99 : 149,746.92 = 60,747.12 : x
  2. Step 2: Convert to fraction form
    108,502.99/149,746.92 = 60,747.12/x
  3. Step 3: Cross multiply
    108,502.99x = 149,746.92 × 60,747.12
  4. Step 4: Simplify right side
    108,502.99x = 9,096,694,118.87
  5. Step 5: Solve for x
    x = 9,096,694,118.87/108,502.99
  6. Step 6: Final answer
    x = 83,838.19

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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.