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Finding the Fourth Proportional to 461,220.62, 691,773.69 and 124,287.62

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Solution

The fourth proportional to 461,220.62, 691,773.69 and 124,287.62 is: 186,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,220.62 : 691,773.69 = 124,287.62 : x
  2. Step 2: Convert to fraction form
    461,220.62/691,773.69 = 124,287.62/x
  3. Step 3: Cross multiply
    461,220.62x = 691,773.69 × 124,287.62
  4. Step 4: Simplify right side
    461,220.62x = 85,978,905,508.72
  5. Step 5: Solve for x
    x = 85,978,905,508.72/461,220.62
  6. Step 6: Final answer
    x = 186,416.01

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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.