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Finding the Fourth Proportional to 92,304.42, 127,422.62 and 54,058.65

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Solution

The fourth proportional to 92,304.42, 127,422.62 and 54,058.65 is: 74,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,304.42 : 127,422.62 = 54,058.65 : x
  2. Step 2: Convert to fraction form
    92,304.42/127,422.62 = 54,058.65/x
  3. Step 3: Cross multiply
    92,304.42x = 127,422.62 × 54,058.65
  4. Step 4: Simplify right side
    92,304.42x = 6,888,294,816.66
  5. Step 5: Solve for x
    x = 6,888,294,816.66/92,304.42
  6. Step 6: Final answer
    x = 74,625.84

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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.