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Finding the Fourth Proportional to 232,887.20, 349,330.80 and 85,200.80

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Solution

The fourth proportional to 232,887.20, 349,330.80 and 85,200.80 is: 127,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,887.20 : 349,330.80 = 85,200.80 : x
  2. Step 2: Convert to fraction form
    232,887.20/349,330.80 = 85,200.80/x
  3. Step 3: Cross multiply
    232,887.20x = 349,330.80 × 85,200.80
  4. Step 4: Simplify right side
    232,887.20x = 29,763,263,624.64
  5. Step 5: Solve for x
    x = 29,763,263,624.64/232,887.20
  6. Step 6: Final answer
    x = 127,801.20

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1.5x scale

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.