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Finding the Fourth Proportional to 108,460.99, 149,669.13 and 60,713.92

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Solution

The fourth proportional to 108,460.99, 149,669.13 and 60,713.92 is: 83,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,460.99 : 149,669.13 = 60,713.92 : x
  2. Step 2: Convert to fraction form
    108,460.99/149,669.13 = 60,713.92/x
  3. Step 3: Cross multiply
    108,460.99x = 149,669.13 × 60,713.92
  4. Step 4: Simplify right side
    108,460.99x = 9,086,999,585.29
  5. Step 5: Solve for x
    x = 9,086,999,585.29/108,460.99
  6. Step 6: Final answer
    x = 83,781.27

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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.