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Finding the Fourth Proportional to 163,458.55, 244,731.01 and 88,309.45

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Solution

The fourth proportional to 163,458.55, 244,731.01 and 88,309.45 is: 132,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,458.55 : 244,731.01 = 88,309.45 : x
  2. Step 2: Convert to fraction form
    163,458.55/244,731.01 = 88,309.45/x
  3. Step 3: Cross multiply
    163,458.55x = 244,731.01 × 88,309.45
  4. Step 4: Simplify right side
    163,458.55x = 21,612,060,891.04
  5. Step 5: Solve for x
    x = 21,612,060,891.04/163,458.55
  6. Step 6: Final answer
    x = 132,217.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.