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Finding the Fourth Proportional to 148,710.70, 223,211.85 and 73,915.30

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Solution

The fourth proportional to 148,710.70, 223,211.85 and 73,915.30 is: 110,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,710.70 : 223,211.85 = 73,915.30 : x
  2. Step 2: Convert to fraction form
    148,710.70/223,211.85 = 73,915.30/x
  3. Step 3: Cross multiply
    148,710.70x = 223,211.85 × 73,915.30
  4. Step 4: Simplify right side
    148,710.70x = 16,498,770,856.31
  5. Step 5: Solve for x
    x = 16,498,770,856.31/148,710.70
  6. Step 6: Final answer
    x = 110,945.42

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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.