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Finding the Fourth Proportional to 110,105.28, 151,947.28 and 62,368.54

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Solution

The fourth proportional to 110,105.28, 151,947.28 and 62,368.54 is: 86,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,105.28 : 151,947.28 = 62,368.54 : x
  2. Step 2: Convert to fraction form
    110,105.28/151,947.28 = 62,368.54/x
  3. Step 3: Cross multiply
    110,105.28x = 151,947.28 × 62,368.54
  4. Step 4: Simplify right side
    110,105.28x = 9,476,730,010.57
  5. Step 5: Solve for x
    x = 9,476,730,010.57/110,105.28
  6. Step 6: Final answer
    x = 86,069.71

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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.