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Finding the Fourth Proportional to 163,534.01, 225,695.63 and 90,944.13

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Solution

The fourth proportional to 163,534.01, 225,695.63 and 90,944.13 is: 125,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,534.01 : 225,695.63 = 90,944.13 : x
  2. Step 2: Convert to fraction form
    163,534.01/225,695.63 = 90,944.13/x
  3. Step 3: Cross multiply
    163,534.01x = 225,695.63 × 90,944.13
  4. Step 4: Simplify right side
    163,534.01x = 20,525,692,260.43
  5. Step 5: Solve for x
    x = 20,525,692,260.43/163,534.01
  6. Step 6: Final answer
    x = 125,513.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.