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Finding the Fourth Proportional to 72,854.44, 100,539.43 and 41,023.87

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Solution

The fourth proportional to 72,854.44, 100,539.43 and 41,023.87 is: 56,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854.44 : 100,539.43 = 41,023.87 : x
  2. Step 2: Convert to fraction form
    72,854.44/100,539.43 = 41,023.87/x
  3. Step 3: Cross multiply
    72,854.44x = 100,539.43 × 41,023.87
  4. Step 4: Simplify right side
    72,854.44x = 4,124,516,152.29
  5. Step 5: Solve for x
    x = 4,124,516,152.29/72,854.44
  6. Step 6: Final answer
    x = 56,613.11

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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.