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Finding the Fourth Proportional to 155,245.52, 232,958.66 and 65,281.73

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Solution

The fourth proportional to 155,245.52, 232,958.66 and 65,281.73 is: 97,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,245.52 : 232,958.66 = 65,281.73 : x
  2. Step 2: Convert to fraction form
    155,245.52/232,958.66 = 65,281.73/x
  3. Step 3: Cross multiply
    155,245.52x = 232,958.66 × 65,281.73
  4. Step 4: Simplify right side
    155,245.52x = 15,207,944,343.28
  5. Step 5: Solve for x
    x = 15,207,944,343.28/155,245.52
  6. Step 6: Final answer
    x = 97,960.60

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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.