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Finding the Fourth Proportional to 87,752.01, 121,097.41 and 47,465.88

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Solution

The fourth proportional to 87,752.01, 121,097.41 and 47,465.88 is: 65,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,752.01 : 121,097.41 = 47,465.88 : x
  2. Step 2: Convert to fraction form
    87,752.01/121,097.41 = 47,465.88/x
  3. Step 3: Cross multiply
    87,752.01x = 121,097.41 × 47,465.88
  4. Step 4: Simplify right side
    87,752.01x = 5,747,995,131.37
  5. Step 5: Solve for x
    x = 5,747,995,131.37/87,752.01
  6. Step 6: Final answer
    x = 65,502.72

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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.