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Finding the Fourth Proportional to 72,854.62, 100,548.95 and 41,029.74

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Solution

The fourth proportional to 72,854.62, 100,548.95 and 41,029.74 is: 56,626.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854.62 : 100,548.95 = 41,029.74 : x
  2. Step 2: Convert to fraction form
    72,854.62/100,548.95 = 41,029.74/x
  3. Step 3: Cross multiply
    72,854.62x = 100,548.95 × 41,029.74
  4. Step 4: Simplify right side
    72,854.62x = 4,125,497,275.77
  5. Step 5: Solve for x
    x = 4,125,497,275.77/72,854.62
  6. Step 6: Final answer
    x = 56,626.43

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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.