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Finding the Fourth Proportional to 177,449.31, 266,186.70 and 55,859.40

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Solution

The fourth proportional to 177,449.31, 266,186.70 and 55,859.40 is: 83,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,449.31 : 266,186.70 = 55,859.40 : x
  2. Step 2: Convert to fraction form
    177,449.31/266,186.70 = 55,859.40/x
  3. Step 3: Cross multiply
    177,449.31x = 266,186.70 × 55,859.40
  4. Step 4: Simplify right side
    177,449.31x = 14,869,029,349.98
  5. Step 5: Solve for x
    x = 14,869,029,349.98/177,449.31
  6. Step 6: Final answer
    x = 83,793.11

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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.