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Finding the Fourth Proportional to 239,497.87, 330,494.59 and 148,851.89

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Solution

The fourth proportional to 239,497.87, 330,494.59 and 148,851.89 is: 205,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,497.87 : 330,494.59 = 148,851.89 : x
  2. Step 2: Convert to fraction form
    239,497.87/330,494.59 = 148,851.89/x
  3. Step 3: Cross multiply
    239,497.87x = 330,494.59 × 148,851.89
  4. Step 4: Simplify right side
    239,497.87x = 49,194,744,356.28
  5. Step 5: Solve for x
    x = 49,194,744,356.28/239,497.87
  6. Step 6: Final answer
    x = 205,407.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.