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Finding the Fourth Proportional to 237,856.80, 356,785.20 and 97,543.20

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Solution

The fourth proportional to 237,856.80, 356,785.20 and 97,543.20 is: 146,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,856.80 : 356,785.20 = 97,543.20 : x
  2. Step 2: Convert to fraction form
    237,856.80/356,785.20 = 97,543.20/x
  3. Step 3: Cross multiply
    237,856.80x = 356,785.20 × 97,543.20
  4. Step 4: Simplify right side
    237,856.80x = 34,801,970,120.64
  5. Step 5: Solve for x
    x = 34,801,970,120.64/237,856.80
  6. Step 6: Final answer
    x = 146,314.80

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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.