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Finding the Fourth Proportional to 148,871.70, 223,372.35 and 74,999.70

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Solution

The fourth proportional to 148,871.70, 223,372.35 and 74,999.70 is: 112,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,871.70 : 223,372.35 = 74,999.70 : x
  2. Step 2: Convert to fraction form
    148,871.70/223,372.35 = 74,999.70/x
  3. Step 3: Cross multiply
    148,871.70x = 223,372.35 × 74,999.70
  4. Step 4: Simplify right side
    148,871.70x = 16,752,859,238.30
  5. Step 5: Solve for x
    x = 16,752,859,238.30/148,871.70
  6. Step 6: Final answer
    x = 112,532.20

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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.