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Finding the Fourth Proportional to 134,380.56, 185,445.21 and 73,951.21

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Solution

The fourth proportional to 134,380.56, 185,445.21 and 73,951.21 is: 102,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,380.56 : 185,445.21 = 73,951.21 : x
  2. Step 2: Convert to fraction form
    134,380.56/185,445.21 = 73,951.21/x
  3. Step 3: Cross multiply
    134,380.56x = 185,445.21 × 73,951.21
  4. Step 4: Simplify right side
    134,380.56x = 13,713,897,474.17
  5. Step 5: Solve for x
    x = 13,713,897,474.17/134,380.56
  6. Step 6: Final answer
    x = 102,052.69

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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.