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Finding the Fourth Proportional to 240,862.62, 359,828.91 and 155,930.88

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Solution

The fourth proportional to 240,862.62, 359,828.91 and 155,930.88 is: 232,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,862.62 : 359,828.91 = 155,930.88 : x
  2. Step 2: Convert to fraction form
    240,862.62/359,828.91 = 155,930.88/x
  3. Step 3: Cross multiply
    240,862.62x = 359,828.91 × 155,930.88
  4. Step 4: Simplify right side
    240,862.62x = 56,108,438,585.74
  5. Step 5: Solve for x
    x = 56,108,438,585.74/240,862.62
  6. Step 6: Final answer
    x = 232,947.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.