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Finding the Fourth Proportional to 266,084.50, 399,179.33 and 97,606.39

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Solution

The fourth proportional to 266,084.50, 399,179.33 and 97,606.39 is: 146,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,084.50 : 399,179.33 = 97,606.39 : x
  2. Step 2: Convert to fraction form
    266,084.50/399,179.33 = 97,606.39/x
  3. Step 3: Cross multiply
    266,084.50x = 399,179.33 × 97,606.39
  4. Step 4: Simplify right side
    266,084.50x = 38,962,451,877.94
  5. Step 5: Solve for x
    x = 38,962,451,877.94/266,084.50
  6. Step 6: Final answer
    x = 146,428.87

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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.