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Finding the Fourth Proportional to 144,024.60, 215,972.10 and 55,248.60

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Solution

The fourth proportional to 144,024.60, 215,972.10 and 55,248.60 is: 82,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.60 : 215,972.10 = 55,248.60 : x
  2. Step 2: Convert to fraction form
    144,024.60/215,972.10 = 55,248.60/x
  3. Step 3: Cross multiply
    144,024.60x = 215,972.10 × 55,248.60
  4. Step 4: Simplify right side
    144,024.60x = 11,932,156,164.06
  5. Step 5: Solve for x
    x = 11,932,156,164.06/144,024.60
  6. Step 6: Final answer
    x = 82,848.04

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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.