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Finding the Fourth Proportional to 155,212.20, 232,850.70 and 88,597.80

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Solution

The fourth proportional to 155,212.20, 232,850.70 and 88,597.80 is: 132,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,212.20 : 232,850.70 = 88,597.80 : x
  2. Step 2: Convert to fraction form
    155,212.20/232,850.70 = 88,597.80/x
  3. Step 3: Cross multiply
    155,212.20x = 232,850.70 × 88,597.80
  4. Step 4: Simplify right side
    155,212.20x = 20,630,059,748.46
  5. Step 5: Solve for x
    x = 20,630,059,748.46/155,212.20
  6. Step 6: Final answer
    x = 132,915.19

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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.