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Finding the Fourth Proportional to 163,062.60, 225,037.14 and 91,447.24

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Solution

The fourth proportional to 163,062.60, 225,037.14 and 91,447.24 is: 126,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,062.60 : 225,037.14 = 91,447.24 : x
  2. Step 2: Convert to fraction form
    163,062.60/225,037.14 = 91,447.24/x
  3. Step 3: Cross multiply
    163,062.60x = 225,037.14 × 91,447.24
  4. Step 4: Simplify right side
    163,062.60x = 20,579,025,350.49
  5. Step 5: Solve for x
    x = 20,579,025,350.49/163,062.60
  6. Step 6: Final answer
    x = 126,203.22

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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.