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Finding the Fourth Proportional to 147,832.88, 221,836.80 and 54,404.24

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Solution

The fourth proportional to 147,832.88, 221,836.80 and 54,404.24 is: 81,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,832.88 : 221,836.80 = 54,404.24 : x
  2. Step 2: Convert to fraction form
    147,832.88/221,836.80 = 54,404.24/x
  3. Step 3: Cross multiply
    147,832.88x = 221,836.80 × 54,404.24
  4. Step 4: Simplify right side
    147,832.88x = 12,068,862,508.03
  5. Step 5: Solve for x
    x = 12,068,862,508.03/147,832.88
  6. Step 6: Final answer
    x = 81,638.55

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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.