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Finding the Fourth Proportional to 110,614.56, 152,599.52 and 74,791.60

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Solution

The fourth proportional to 110,614.56, 152,599.52 and 74,791.60 is: 103,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,614.56 : 152,599.52 = 74,791.60 : x
  2. Step 2: Convert to fraction form
    110,614.56/152,599.52 = 74,791.60/x
  3. Step 3: Cross multiply
    110,614.56x = 152,599.52 × 74,791.60
  4. Step 4: Simplify right side
    110,614.56x = 11,413,162,260.03
  5. Step 5: Solve for x
    x = 11,413,162,260.03/110,614.56
  6. Step 6: Final answer
    x = 103,179.57

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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.