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Finding the Fourth Proportional to 537,513.64, 806,272.13 and 132,705.89

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Solution

The fourth proportional to 537,513.64, 806,272.13 and 132,705.89 is: 199,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,513.64 : 806,272.13 = 132,705.89 : x
  2. Step 2: Convert to fraction form
    537,513.64/806,272.13 = 132,705.89/x
  3. Step 3: Cross multiply
    537,513.64x = 806,272.13 × 132,705.89
  4. Step 4: Simplify right side
    537,513.64x = 106,997,060,593.85
  5. Step 5: Solve for x
    x = 106,997,060,593.85/537,513.64
  6. Step 6: Final answer
    x = 199,059.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.