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Finding the Fourth Proportional to 80,854.70, 111,582.93 and 45,044.69

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Solution

The fourth proportional to 80,854.70, 111,582.93 and 45,044.69 is: 62,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.70 : 111,582.93 = 45,044.69 : x
  2. Step 2: Convert to fraction form
    80,854.70/111,582.93 = 45,044.69/x
  3. Step 3: Cross multiply
    80,854.70x = 111,582.93 × 45,044.69
  4. Step 4: Simplify right side
    80,854.70x = 5,026,218,491.14
  5. Step 5: Solve for x
    x = 5,026,218,491.14/80,854.70
  6. Step 6: Final answer
    x = 62,163.59

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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.