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Finding the Fourth Proportional to 80,149.71, 110,614.91 and 46,159.41

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Solution

The fourth proportional to 80,149.71, 110,614.91 and 46,159.41 is: 63,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.71 : 110,614.91 = 46,159.41 : x
  2. Step 2: Convert to fraction form
    80,149.71/110,614.91 = 46,159.41/x
  3. Step 3: Cross multiply
    80,149.71x = 110,614.91 × 46,159.41
  4. Step 4: Simplify right side
    80,149.71x = 5,105,918,752.01
  5. Step 5: Solve for x
    x = 5,105,918,752.01/80,149.71
  6. Step 6: Final answer
    x = 63,704.77

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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.