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Finding the Fourth Proportional to 92,585.75, 127,733.10 and 68,444.68

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Solution

The fourth proportional to 92,585.75, 127,733.10 and 68,444.68 is: 94,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,585.75 : 127,733.10 = 68,444.68 : x
  2. Step 2: Convert to fraction form
    92,585.75/127,733.10 = 68,444.68/x
  3. Step 3: Cross multiply
    92,585.75x = 127,733.10 × 68,444.68
  4. Step 4: Simplify right side
    92,585.75x = 8,742,651,154.91
  5. Step 5: Solve for x
    x = 8,742,651,154.91/92,585.75
  6. Step 6: Final answer
    x = 94,427.61

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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.