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Finding the Fourth Proportional to 269,710.64, 404,440.82 and 157,423.18

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Solution

The fourth proportional to 269,710.64, 404,440.82 and 157,423.18 is: 236,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,710.64 : 404,440.82 = 157,423.18 : x
  2. Step 2: Convert to fraction form
    269,710.64/404,440.82 = 157,423.18/x
  3. Step 3: Cross multiply
    269,710.64x = 404,440.82 × 157,423.18
  4. Step 4: Simplify right side
    269,710.64x = 63,668,360,006.21
  5. Step 5: Solve for x
    x = 63,668,360,006.21/269,710.64
  6. Step 6: Final answer
    x = 236,061.73

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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.