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Finding the Fourth Proportional to 72,703.26, 100,335.78 and 44,414.28

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Solution

The fourth proportional to 72,703.26, 100,335.78 and 44,414.28 is: 61,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,703.26 : 100,335.78 = 44,414.28 : x
  2. Step 2: Convert to fraction form
    72,703.26/100,335.78 = 44,414.28/x
  3. Step 3: Cross multiply
    72,703.26x = 100,335.78 × 44,414.28
  4. Step 4: Simplify right side
    72,703.26x = 4,456,341,426.94
  5. Step 5: Solve for x
    x = 4,456,341,426.94/72,703.26
  6. Step 6: Final answer
    x = 61,294.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.