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Finding the Fourth Proportional to 87,754.63, 121,101.25 and 47,468.27

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Solution

The fourth proportional to 87,754.63, 121,101.25 and 47,468.27 is: 65,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.63 : 121,101.25 = 47,468.27 : x
  2. Step 2: Convert to fraction form
    87,754.63/121,101.25 = 47,468.27/x
  3. Step 3: Cross multiply
    87,754.63x = 121,101.25 × 47,468.27
  4. Step 4: Simplify right side
    87,754.63x = 5,748,466,832.34
  5. Step 5: Solve for x
    x = 5,748,466,832.34/87,754.63
  6. Step 6: Final answer
    x = 65,506.14

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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.