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Finding the Fourth Proportional to 97,462.78, 134,498.69 and 52,750.78

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Solution

The fourth proportional to 97,462.78, 134,498.69 and 52,750.78 is: 72,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,462.78 : 134,498.69 = 52,750.78 : x
  2. Step 2: Convert to fraction form
    97,462.78/134,498.69 = 52,750.78/x
  3. Step 3: Cross multiply
    97,462.78x = 134,498.69 × 52,750.78
  4. Step 4: Simplify right side
    97,462.78x = 7,094,910,806.48
  5. Step 5: Solve for x
    x = 7,094,910,806.48/97,462.78
  6. Step 6: Final answer
    x = 72,796.11

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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.