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Finding the Fourth Proportional to 217,246.70, 325,892.55 and 59,475.17

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Solution

The fourth proportional to 217,246.70, 325,892.55 and 59,475.17 is: 89,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,246.70 : 325,892.55 = 59,475.17 : x
  2. Step 2: Convert to fraction form
    217,246.70/325,892.55 = 59,475.17/x
  3. Step 3: Cross multiply
    217,246.70x = 325,892.55 × 59,475.17
  4. Step 4: Simplify right side
    217,246.70x = 19,382,514,812.98
  5. Step 5: Solve for x
    x = 19,382,514,812.98/217,246.70
  6. Step 6: Final answer
    x = 89,218.91

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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.