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Finding the Fourth Proportional to 163,042.80, 244,565.78 and 61,813.63

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Solution

The fourth proportional to 163,042.80, 244,565.78 and 61,813.63 is: 92,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,042.80 : 244,565.78 = 61,813.63 : x
  2. Step 2: Convert to fraction form
    163,042.80/244,565.78 = 61,813.63/x
  3. Step 3: Cross multiply
    163,042.80x = 244,565.78 × 61,813.63
  4. Step 4: Simplify right side
    163,042.80x = 15,117,498,849.53
  5. Step 5: Solve for x
    x = 15,117,498,849.53/163,042.80
  6. Step 6: Final answer
    x = 92,721.04

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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.