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Finding the Fourth Proportional to 177,997.40, 266,931.30 and 59,672.60

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Solution

The fourth proportional to 177,997.40, 266,931.30 and 59,672.60 is: 89,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,997.40 : 266,931.30 = 59,672.60 : x
  2. Step 2: Convert to fraction form
    177,997.40/266,931.30 = 59,672.60/x
  3. Step 3: Cross multiply
    177,997.40x = 266,931.30 × 59,672.60
  4. Step 4: Simplify right side
    177,997.40x = 15,928,484,692.38
  5. Step 5: Solve for x
    x = 15,928,484,692.38/177,997.40
  6. Step 6: Final answer
    x = 89,487.18

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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.