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Finding the Fourth Proportional to 111,306.53, 166,967.53 and 44,746.70

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Solution

The fourth proportional to 111,306.53, 166,967.53 and 44,746.70 is: 67,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306.53 : 166,967.53 = 44,746.70 : x
  2. Step 2: Convert to fraction form
    111,306.53/166,967.53 = 44,746.70/x
  3. Step 3: Cross multiply
    111,306.53x = 166,967.53 × 44,746.70
  4. Step 4: Simplify right side
    111,306.53x = 7,471,245,027.95
  5. Step 5: Solve for x
    x = 7,471,245,027.95/111,306.53
  6. Step 6: Final answer
    x = 67,123.15

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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.