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Finding the Fourth Proportional to 239,909.14, 359,864.16 and 62,415.86

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Solution

The fourth proportional to 239,909.14, 359,864.16 and 62,415.86 is: 93,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,909.14 : 359,864.16 = 62,415.86 : x
  2. Step 2: Convert to fraction form
    239,909.14/359,864.16 = 62,415.86/x
  3. Step 3: Cross multiply
    239,909.14x = 359,864.16 × 62,415.86
  4. Step 4: Simplify right side
    239,909.14x = 22,461,231,029.58
  5. Step 5: Solve for x
    x = 22,461,231,029.58/239,909.14
  6. Step 6: Final answer
    x = 93,623.91

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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.