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Finding the Fourth Proportional to 221,337.70, 332,179.35 and 103,023.70

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Solution

The fourth proportional to 221,337.70, 332,179.35 and 103,023.70 is: 154,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337.70 : 332,179.35 = 103,023.70 : x
  2. Step 2: Convert to fraction form
    221,337.70/332,179.35 = 103,023.70/x
  3. Step 3: Cross multiply
    221,337.70x = 332,179.35 × 103,023.70
  4. Step 4: Simplify right side
    221,337.70x = 34,222,345,700.60
  5. Step 5: Solve for x
    x = 34,222,345,700.60/221,337.70
  6. Step 6: Final answer
    x = 154,615.98

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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.