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Finding the Fourth Proportional to 106,613.34, 159,920.79 and 73,232.22

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Solution

The fourth proportional to 106,613.34, 159,920.79 and 73,232.22 is: 109,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.34 : 159,920.79 = 73,232.22 : x
  2. Step 2: Convert to fraction form
    106,613.34/159,920.79 = 73,232.22/x
  3. Step 3: Cross multiply
    106,613.34x = 159,920.79 × 73,232.22
  4. Step 4: Simplify right side
    106,613.34x = 11,711,354,475.85
  5. Step 5: Solve for x
    x = 11,711,354,475.85/106,613.34
  6. Step 6: Final answer
    x = 109,848.87

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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.