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Finding the Fourth Proportional to 152,447.20, 228,670.80 and 149,531.20

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Solution

The fourth proportional to 152,447.20, 228,670.80 and 149,531.20 is: 224,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,447.20 : 228,670.80 = 149,531.20 : x
  2. Step 2: Convert to fraction form
    152,447.20/228,670.80 = 149,531.20/x
  3. Step 3: Cross multiply
    152,447.20x = 228,670.80 × 149,531.20
  4. Step 4: Simplify right side
    152,447.20x = 34,193,419,128.96
  5. Step 5: Solve for x
    x = 34,193,419,128.96/152,447.20
  6. Step 6: Final answer
    x = 224,296.80

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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.