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Finding the Fourth Proportional to 154,432.80, 231,649.20 and 54,592.20

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Solution

The fourth proportional to 154,432.80, 231,649.20 and 54,592.20 is: 81,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,432.80 : 231,649.20 = 54,592.20 : x
  2. Step 2: Convert to fraction form
    154,432.80/231,649.20 = 54,592.20/x
  3. Step 3: Cross multiply
    154,432.80x = 231,649.20 × 54,592.20
  4. Step 4: Simplify right side
    154,432.80x = 12,646,239,456.24
  5. Step 5: Solve for x
    x = 12,646,239,456.24/154,432.80
  6. Step 6: Final answer
    x = 81,888.30

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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.