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Finding the Fourth Proportional to 232,830.72, 321,308.64 and 132,229.44

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Solution

The fourth proportional to 232,830.72, 321,308.64 and 132,229.44 is: 182,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,830.72 : 321,308.64 = 132,229.44 : x
  2. Step 2: Convert to fraction form
    232,830.72/321,308.64 = 132,229.44/x
  3. Step 3: Cross multiply
    232,830.72x = 321,308.64 × 132,229.44
  4. Step 4: Simplify right side
    232,830.72x = 42,486,461,534.36
  5. Step 5: Solve for x
    x = 42,486,461,534.36/232,830.72
  6. Step 6: Final answer
    x = 182,477.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.