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Finding the Fourth Proportional to 92,673.40, 127,889.42 and 50,231.92

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Solution

The fourth proportional to 92,673.40, 127,889.42 and 50,231.92 is: 69,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.40 : 127,889.42 = 50,231.92 : x
  2. Step 2: Convert to fraction form
    92,673.40/127,889.42 = 50,231.92/x
  3. Step 3: Cross multiply
    92,673.40x = 127,889.42 × 50,231.92
  4. Step 4: Simplify right side
    92,673.40x = 6,424,131,114.29
  5. Step 5: Solve for x
    x = 6,424,131,114.29/92,673.40
  6. Step 6: Final answer
    x = 69,320.12

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1.5x scale

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.