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Finding the Fourth Proportional to 177,160.80, 265,812.88 and 71,952.48

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Solution

The fourth proportional to 177,160.80, 265,812.88 and 71,952.48 is: 107,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,160.80 : 265,812.88 = 71,952.48 : x
  2. Step 2: Convert to fraction form
    177,160.80/265,812.88 = 71,952.48/x
  3. Step 3: Cross multiply
    177,160.80x = 265,812.88 × 71,952.48
  4. Step 4: Simplify right side
    177,160.80x = 19,125,895,931.94
  5. Step 5: Solve for x
    x = 19,125,895,931.94/177,160.80
  6. Step 6: Final answer
    x = 107,957.83

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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.