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Finding the Fourth Proportional to 177,663, 266,436.72 and 59,302.56

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Solution

The fourth proportional to 177,663, 266,436.72 and 59,302.56 is: 88,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,663 : 266,436.72 = 59,302.56 : x
  2. Step 2: Convert to fraction form
    177,663/266,436.72 = 59,302.56/x
  3. Step 3: Cross multiply
    177,663x = 266,436.72 × 59,302.56
  4. Step 4: Simplify right side
    177,663x = 15,800,379,574.00
  5. Step 5: Solve for x
    x = 15,800,379,574.00/177,663
  6. Step 6: Final answer
    x = 88,934.55

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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.