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Finding the Fourth Proportional to 92,673.28, 127,888.71 and 50,231.71

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Solution

The fourth proportional to 92,673.28, 127,888.71 and 50,231.71 is: 69,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.28 : 127,888.71 = 50,231.71 : x
  2. Step 2: Convert to fraction form
    92,673.28/127,888.71 = 50,231.71/x
  3. Step 3: Cross multiply
    92,673.28x = 127,888.71 × 50,231.71
  4. Step 4: Simplify right side
    92,673.28x = 6,424,068,592.99
  5. Step 5: Solve for x
    x = 6,424,068,592.99/92,673.28
  6. Step 6: Final answer
    x = 69,319.53

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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.