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Finding the Fourth Proportional to 92,004.62, 127,062.74 and 63,398.66

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Solution

The fourth proportional to 92,004.62, 127,062.74 and 63,398.66 is: 87,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.62 : 127,062.74 = 63,398.66 : x
  2. Step 2: Convert to fraction form
    92,004.62/127,062.74 = 63,398.66/x
  3. Step 3: Cross multiply
    92,004.62x = 127,062.74 × 63,398.66
  4. Step 4: Simplify right side
    92,004.62x = 8,055,606,975.11
  5. Step 5: Solve for x
    x = 8,055,606,975.11/92,004.62
  6. Step 6: Final answer
    x = 87,556.55

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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.