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Finding the Fourth Proportional to 80,683.70, 111,332.68 and 44,866.81

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Solution

The fourth proportional to 80,683.70, 111,332.68 and 44,866.81 is: 61,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,683.70 : 111,332.68 = 44,866.81 : x
  2. Step 2: Convert to fraction form
    80,683.70/111,332.68 = 44,866.81/x
  3. Step 3: Cross multiply
    80,683.70x = 111,332.68 × 44,866.81
  4. Step 4: Simplify right side
    80,683.70x = 4,995,142,227.35
  5. Step 5: Solve for x
    x = 4,995,142,227.35/80,683.70
  6. Step 6: Final answer
    x = 61,910.18

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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.