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Finding the Fourth Proportional to 92,169.73, 127,126.31 and 69,509.67

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Solution

The fourth proportional to 92,169.73, 127,126.31 and 69,509.67 is: 95,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,169.73 : 127,126.31 = 69,509.67 : x
  2. Step 2: Convert to fraction form
    92,169.73/127,126.31 = 69,509.67/x
  3. Step 3: Cross multiply
    92,169.73x = 127,126.31 × 69,509.67
  4. Step 4: Simplify right side
    92,169.73x = 8,836,507,856.42
  5. Step 5: Solve for x
    x = 8,836,507,856.42/92,169.73
  6. Step 6: Final answer
    x = 95,872.13

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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.