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Finding the Fourth Proportional to 150,915.60, 226,114.20 and 71,859.60

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Solution

The fourth proportional to 150,915.60, 226,114.20 and 71,859.60 is: 107,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,915.60 : 226,114.20 = 71,859.60 : x
  2. Step 2: Convert to fraction form
    150,915.60/226,114.20 = 71,859.60/x
  3. Step 3: Cross multiply
    150,915.60x = 226,114.20 × 71,859.60
  4. Step 4: Simplify right side
    150,915.60x = 16,248,475,966.32
  5. Step 5: Solve for x
    x = 16,248,475,966.32/150,915.60
  6. Step 6: Final answer
    x = 107,665.98

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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.