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Finding the Fourth Proportional to 158,610.80, 237,948.60 and 53,440.40

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Solution

The fourth proportional to 158,610.80, 237,948.60 and 53,440.40 is: 80,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,610.80 : 237,948.60 = 53,440.40 : x
  2. Step 2: Convert to fraction form
    158,610.80/237,948.60 = 53,440.40/x
  3. Step 3: Cross multiply
    158,610.80x = 237,948.60 × 53,440.40
  4. Step 4: Simplify right side
    158,610.80x = 12,716,068,363.44
  5. Step 5: Solve for x
    x = 12,716,068,363.44/158,610.80
  6. Step 6: Final answer
    x = 80,171.52

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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.