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Finding the Fourth Proportional to 239,878.47, 359,991.32 and 93,839.91

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Solution

The fourth proportional to 239,878.47, 359,991.32 and 93,839.91 is: 140,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,878.47 : 359,991.32 = 93,839.91 : x
  2. Step 2: Convert to fraction form
    239,878.47/359,991.32 = 93,839.91/x
  3. Step 3: Cross multiply
    239,878.47x = 359,991.32 × 93,839.91
  4. Step 4: Simplify right side
    239,878.47x = 33,781,553,364.74
  5. Step 5: Solve for x
    x = 33,781,553,364.74/239,878.47
  6. Step 6: Final answer
    x = 140,827.79

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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.