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Finding the Fourth Proportional to 92,200.80, 127,203.84 and 60,387.84

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Solution

The fourth proportional to 92,200.80, 127,203.84 and 60,387.84 is: 83,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,200.80 : 127,203.84 = 60,387.84 : x
  2. Step 2: Convert to fraction form
    92,200.80/127,203.84 = 60,387.84/x
  3. Step 3: Cross multiply
    92,200.80x = 127,203.84 × 60,387.84
  4. Step 4: Simplify right side
    92,200.80x = 7,681,565,137.31
  5. Step 5: Solve for x
    x = 7,681,565,137.31/92,200.80
  6. Step 6: Final answer
    x = 83,313.43

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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.