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Finding the Fourth Proportional to 163,098.80, 244,648.20 and 149,320.70

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Solution

The fourth proportional to 163,098.80, 244,648.20 and 149,320.70 is: 223,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,098.80 : 244,648.20 = 149,320.70 : x
  2. Step 2: Convert to fraction form
    163,098.80/244,648.20 = 149,320.70/x
  3. Step 3: Cross multiply
    163,098.80x = 244,648.20 × 149,320.70
  4. Step 4: Simplify right side
    163,098.80x = 36,531,040,477.74
  5. Step 5: Solve for x
    x = 36,531,040,477.74/163,098.80
  6. Step 6: Final answer
    x = 223,981.05

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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.