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Finding the Fourth Proportional to 97,354.33, 134,350.52 and 54,913.71

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Solution

The fourth proportional to 97,354.33, 134,350.52 and 54,913.71 is: 75,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,354.33 : 134,350.52 = 54,913.71 : x
  2. Step 2: Convert to fraction form
    97,354.33/134,350.52 = 54,913.71/x
  3. Step 3: Cross multiply
    97,354.33x = 134,350.52 × 54,913.71
  4. Step 4: Simplify right side
    97,354.33x = 7,377,685,493.63
  5. Step 5: Solve for x
    x = 7,377,685,493.63/97,354.33
  6. Step 6: Final answer
    x = 75,781.79

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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.