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Finding the Fourth Proportional to 240,710.88, 361,101.53 and 72,244.53

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Solution

The fourth proportional to 240,710.88, 361,101.53 and 72,244.53 is: 108,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,710.88 : 361,101.53 = 72,244.53 : x
  2. Step 2: Convert to fraction form
    240,710.88/361,101.53 = 72,244.53/x
  3. Step 3: Cross multiply
    240,710.88x = 361,101.53 × 72,244.53
  4. Step 4: Simplify right side
    240,710.88x = 26,087,610,497.74
  5. Step 5: Solve for x
    x = 26,087,610,497.74/240,710.88
  6. Step 6: Final answer
    x = 108,377.36

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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.