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Finding the Fourth Proportional to 106,954.91, 147,613.22 and 61,624.20

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Solution

The fourth proportional to 106,954.91, 147,613.22 and 61,624.20 is: 85,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,954.91 : 147,613.22 = 61,624.20 : x
  2. Step 2: Convert to fraction form
    106,954.91/147,613.22 = 61,624.20/x
  3. Step 3: Cross multiply
    106,954.91x = 147,613.22 × 61,624.20
  4. Step 4: Simplify right side
    106,954.91x = 9,096,546,591.92
  5. Step 5: Solve for x
    x = 9,096,546,591.92/106,954.91
  6. Step 6: Final answer
    x = 85,050.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.