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Finding the Fourth Proportional to 97,440.82, 134,468.70 and 52,728.82

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Solution

The fourth proportional to 97,440.82, 134,468.70 and 52,728.82 is: 72,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,440.82 : 134,468.70 = 52,728.82 : x
  2. Step 2: Convert to fraction form
    97,440.82/134,468.70 = 52,728.82/x
  3. Step 3: Cross multiply
    97,440.82x = 134,468.70 × 52,728.82
  4. Step 4: Simplify right side
    97,440.82x = 7,090,375,877.93
  5. Step 5: Solve for x
    x = 7,090,375,877.93/97,440.82
  6. Step 6: Final answer
    x = 72,765.97

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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.