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Finding the Fourth Proportional to 154,819.70, 232,160.50 and 53,627.20

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Solution

The fourth proportional to 154,819.70, 232,160.50 and 53,627.20 is: 80,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,819.70 : 232,160.50 = 53,627.20 : x
  2. Step 2: Convert to fraction form
    154,819.70/232,160.50 = 53,627.20/x
  3. Step 3: Cross multiply
    154,819.70x = 232,160.50 × 53,627.20
  4. Step 4: Simplify right side
    154,819.70x = 12,450,117,565.60
  5. Step 5: Solve for x
    x = 12,450,117,565.60/154,819.70
  6. Step 6: Final answer
    x = 80,416.88

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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.