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Finding the Fourth Proportional to 141,761.52, 212,663.84 and 48,245.40

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Solution

The fourth proportional to 141,761.52, 212,663.84 and 48,245.40 is: 72,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,761.52 : 212,663.84 = 48,245.40 : x
  2. Step 2: Convert to fraction form
    141,761.52/212,663.84 = 48,245.40/x
  3. Step 3: Cross multiply
    141,761.52x = 212,663.84 × 48,245.40
  4. Step 4: Simplify right side
    141,761.52x = 10,260,052,026.34
  5. Step 5: Solve for x
    x = 10,260,052,026.34/141,761.52
  6. Step 6: Final answer
    x = 72,375.44

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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.