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Finding the Fourth Proportional to 537,516.87, 806,276.93 and 132,709.11

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Solution

The fourth proportional to 537,516.87, 806,276.93 and 132,709.11 is: 199,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,516.87 : 806,276.93 = 132,709.11 : x
  2. Step 2: Convert to fraction form
    537,516.87/806,276.93 = 132,709.11/x
  3. Step 3: Cross multiply
    537,516.87x = 806,276.93 × 132,709.11
  4. Step 4: Simplify right side
    537,516.87x = 107,000,293,130.29
  5. Step 5: Solve for x
    x = 107,000,293,130.29/537,516.87
  6. Step 6: Final answer
    x = 199,064.06

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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.