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Finding the Fourth Proportional to 92,306.60, 127,383.60 and 52,020.98

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Solution

The fourth proportional to 92,306.60, 127,383.60 and 52,020.98 is: 71,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,306.60 : 127,383.60 = 52,020.98 : x
  2. Step 2: Convert to fraction form
    92,306.60/127,383.60 = 52,020.98/x
  3. Step 3: Cross multiply
    92,306.60x = 127,383.60 × 52,020.98
  4. Step 4: Simplify right side
    92,306.60x = 6,626,619,707.93
  5. Step 5: Solve for x
    x = 6,626,619,707.93/92,306.60
  6. Step 6: Final answer
    x = 71,789.23

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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.