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Finding the Fourth Proportional to 80,471.70, 111,044.79 and 46,464.66

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Solution

The fourth proportional to 80,471.70, 111,044.79 and 46,464.66 is: 64,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.70 : 111,044.79 = 46,464.66 : x
  2. Step 2: Convert to fraction form
    80,471.70/111,044.79 = 46,464.66/x
  3. Step 3: Cross multiply
    80,471.70x = 111,044.79 × 46,464.66
  4. Step 4: Simplify right side
    80,471.70x = 5,159,658,412.12
  5. Step 5: Solve for x
    x = 5,159,658,412.12/80,471.70
  6. Step 6: Final answer
    x = 64,117.68

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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.