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Finding the Fourth Proportional to 163,139.98, 244,680.80 and 103,799.38

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Solution

The fourth proportional to 163,139.98, 244,680.80 and 103,799.38 is: 155,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,139.98 : 244,680.80 = 103,799.38 : x
  2. Step 2: Convert to fraction form
    163,139.98/244,680.80 = 103,799.38/x
  3. Step 3: Cross multiply
    163,139.98x = 244,680.80 × 103,799.38
  4. Step 4: Simplify right side
    163,139.98x = 25,397,715,337.90
  5. Step 5: Solve for x
    x = 25,397,715,337.90/163,139.98
  6. Step 6: Final answer
    x = 155,680.51

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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.