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Finding the Fourth Proportional to 163,435.38, 244,931.61 and 84,604.95

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Solution

The fourth proportional to 163,435.38, 244,931.61 and 84,604.95 is: 126,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,435.38 : 244,931.61 = 84,604.95 : x
  2. Step 2: Convert to fraction form
    163,435.38/244,931.61 = 84,604.95/x
  3. Step 3: Cross multiply
    163,435.38x = 244,931.61 × 84,604.95
  4. Step 4: Simplify right side
    163,435.38x = 20,722,426,617.47
  5. Step 5: Solve for x
    x = 20,722,426,617.47/163,435.38
  6. Step 6: Final answer
    x = 126,792.78

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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.