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Finding the Fourth Proportional to 97,062.57, 133,924.19 and 54,605.61

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Solution

The fourth proportional to 97,062.57, 133,924.19 and 54,605.61 is: 75,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,062.57 : 133,924.19 = 54,605.61 : x
  2. Step 2: Convert to fraction form
    97,062.57/133,924.19 = 54,605.61/x
  3. Step 3: Cross multiply
    97,062.57x = 133,924.19 × 54,605.61
  4. Step 4: Simplify right side
    97,062.57x = 7,313,011,815.68
  5. Step 5: Solve for x
    x = 7,313,011,815.68/97,062.57
  6. Step 6: Final answer
    x = 75,343.27

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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.