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Finding the Fourth Proportional to 108,452.73, 149,663.02 and 60,705.93

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Solution

The fourth proportional to 108,452.73, 149,663.02 and 60,705.93 is: 83,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,452.73 : 149,663.02 = 60,705.93 : x
  2. Step 2: Convert to fraction form
    108,452.73/149,663.02 = 60,705.93/x
  3. Step 3: Cross multiply
    108,452.73x = 149,663.02 × 60,705.93
  4. Step 4: Simplify right side
    108,452.73x = 9,085,432,815.71
  5. Step 5: Solve for x
    x = 9,085,432,815.71/108,452.73
  6. Step 6: Final answer
    x = 83,773.21

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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.