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Finding the Fourth Proportional to 92,687.93, 127,909.05 and 50,246.46

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Solution

The fourth proportional to 92,687.93, 127,909.05 and 50,246.46 is: 69,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687.93 : 127,909.05 = 50,246.46 : x
  2. Step 2: Convert to fraction form
    92,687.93/127,909.05 = 50,246.46/x
  3. Step 3: Cross multiply
    92,687.93x = 127,909.05 × 50,246.46
  4. Step 4: Simplify right side
    92,687.93x = 6,426,976,776.04
  5. Step 5: Solve for x
    x = 6,426,976,776.04/92,687.93
  6. Step 6: Final answer
    x = 69,339.95

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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.