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Finding the Fourth Proportional to 242,591.92, 334,777.12 and 140,676.60

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Solution

The fourth proportional to 242,591.92, 334,777.12 and 140,676.60 is: 194,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,591.92 : 334,777.12 = 140,676.60 : x
  2. Step 2: Convert to fraction form
    242,591.92/334,777.12 = 140,676.60/x
  3. Step 3: Cross multiply
    242,591.92x = 334,777.12 × 140,676.60
  4. Step 4: Simplify right side
    242,591.92x = 47,095,308,103.17
  5. Step 5: Solve for x
    x = 47,095,308,103.17/242,591.92
  6. Step 6: Final answer
    x = 194,133.87

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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.