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Finding the Fourth Proportional to 228,132.60, 341,956.98 and 87,830.52

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Solution

The fourth proportional to 228,132.60, 341,956.98 and 87,830.52 is: 131,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,132.60 : 341,956.98 = 87,830.52 : x
  2. Step 2: Convert to fraction form
    228,132.60/341,956.98 = 87,830.52/x
  3. Step 3: Cross multiply
    228,132.60x = 341,956.98 × 87,830.52
  4. Step 4: Simplify right side
    228,132.60x = 30,034,259,371.03
  5. Step 5: Solve for x
    x = 30,034,259,371.03/228,132.60
  6. Step 6: Final answer
    x = 131,652.64

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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.