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Finding the Fourth Proportional to 80,452.71, 111,029.76 and 46,467.41

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Solution

The fourth proportional to 80,452.71, 111,029.76 and 46,467.41 is: 64,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.71 : 111,029.76 = 46,467.41 : x
  2. Step 2: Convert to fraction form
    80,452.71/111,029.76 = 46,467.41/x
  3. Step 3: Cross multiply
    80,452.71x = 111,029.76 × 46,467.41
  4. Step 4: Simplify right side
    80,452.71x = 5,159,264,824.97
  5. Step 5: Solve for x
    x = 5,159,264,824.97/80,452.71
  6. Step 6: Final answer
    x = 64,127.92

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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.