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Finding the Fourth Proportional to 239,772.48, 359,658.60 and 71,292.06

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Solution

The fourth proportional to 239,772.48, 359,658.60 and 71,292.06 is: 106,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,772.48 : 359,658.60 = 71,292.06 : x
  2. Step 2: Convert to fraction form
    239,772.48/359,658.60 = 71,292.06/x
  3. Step 3: Cross multiply
    239,772.48x = 359,658.60 × 71,292.06
  4. Step 4: Simplify right side
    239,772.48x = 25,640,802,490.72
  5. Step 5: Solve for x
    x = 25,640,802,490.72/239,772.48
  6. Step 6: Final answer
    x = 106,938.05

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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.