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Finding the Fourth Proportional to 158,338.60, 237,680.70 and 88,354.60

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Solution

The fourth proportional to 158,338.60, 237,680.70 and 88,354.60 is: 132,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,338.60 : 237,680.70 = 88,354.60 : x
  2. Step 2: Convert to fraction form
    158,338.60/237,680.70 = 88,354.60/x
  3. Step 3: Cross multiply
    158,338.60x = 237,680.70 × 88,354.60
  4. Step 4: Simplify right side
    158,338.60x = 21,000,183,176.22
  5. Step 5: Solve for x
    x = 21,000,183,176.22/158,338.60
  6. Step 6: Final answer
    x = 132,628.32

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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.