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Finding the Fourth Proportional to 148,872.70, 223,373.85 and 75,000.70

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Solution

The fourth proportional to 148,872.70, 223,373.85 and 75,000.70 is: 112,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,872.70 : 223,373.85 = 75,000.70 : x
  2. Step 2: Convert to fraction form
    148,872.70/223,373.85 = 75,000.70/x
  3. Step 3: Cross multiply
    148,872.70x = 223,373.85 × 75,000.70
  4. Step 4: Simplify right side
    148,872.70x = 16,753,195,111.70
  5. Step 5: Solve for x
    x = 16,753,195,111.70/148,872.70
  6. Step 6: Final answer
    x = 112,533.70

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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.