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Finding the Fourth Proportional to 97,593.78, 134,680.52 and 57,308.02

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Solution

The fourth proportional to 97,593.78, 134,680.52 and 57,308.02 is: 79,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,593.78 : 134,680.52 = 57,308.02 : x
  2. Step 2: Convert to fraction form
    97,593.78/134,680.52 = 57,308.02/x
  3. Step 3: Cross multiply
    97,593.78x = 134,680.52 × 57,308.02
  4. Step 4: Simplify right side
    97,593.78x = 7,718,273,933.77
  5. Step 5: Solve for x
    x = 7,718,273,933.77/97,593.78
  6. Step 6: Final answer
    x = 79,085.72

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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.