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Finding the Fourth Proportional to 71,746.79, 107,597.33 and 26,148.81

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Solution

The fourth proportional to 71,746.79, 107,597.33 and 26,148.81 is: 39,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,746.79 : 107,597.33 = 26,148.81 : x
  2. Step 2: Convert to fraction form
    71,746.79/107,597.33 = 26,148.81/x
  3. Step 3: Cross multiply
    71,746.79x = 107,597.33 × 26,148.81
  4. Step 4: Simplify right side
    71,746.79x = 2,813,542,007.93
  5. Step 5: Solve for x
    x = 2,813,542,007.93/71,746.79
  6. Step 6: Final answer
    x = 39,214.88

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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.