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Finding the Fourth Proportional to 80,169.88, 110,642.88 and 46,179.76

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Solution

The fourth proportional to 80,169.88, 110,642.88 and 46,179.76 is: 63,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,169.88 : 110,642.88 = 46,179.76 : x
  2. Step 2: Convert to fraction form
    80,169.88/110,642.88 = 46,179.76/x
  3. Step 3: Cross multiply
    80,169.88x = 110,642.88 × 46,179.76
  4. Step 4: Simplify right side
    80,169.88x = 5,109,461,644.11
  5. Step 5: Solve for x
    x = 5,109,461,644.11/80,169.88
  6. Step 6: Final answer
    x = 63,732.93

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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.