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Finding the Fourth Proportional to 97,235.60, 134,187.72 and 54,791.60

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Solution

The fourth proportional to 97,235.60, 134,187.72 and 54,791.60 is: 75,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,235.60 : 134,187.72 = 54,791.60 : x
  2. Step 2: Convert to fraction form
    97,235.60/134,187.72 = 54,791.60/x
  3. Step 3: Cross multiply
    97,235.60x = 134,187.72 × 54,791.60
  4. Step 4: Simplify right side
    97,235.60x = 7,352,359,879.15
  5. Step 5: Solve for x
    x = 7,352,359,879.15/97,235.60
  6. Step 6: Final answer
    x = 75,613.87

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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.