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Finding the Fourth Proportional to 92,556.60, 127,663.14 and 56,760.87

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Solution

The fourth proportional to 92,556.60, 127,663.14 and 56,760.87 is: 78,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,556.60 : 127,663.14 = 56,760.87 : x
  2. Step 2: Convert to fraction form
    92,556.60/127,663.14 = 56,760.87/x
  3. Step 3: Cross multiply
    92,556.60x = 127,663.14 × 56,760.87
  4. Step 4: Simplify right side
    92,556.60x = 7,246,270,893.33
  5. Step 5: Solve for x
    x = 7,246,270,893.33/92,556.60
  6. Step 6: Final answer
    x = 78,290.16

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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.