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Finding the Fourth Proportional to 245,919.60, 368,680.44 and 103,672.92

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Solution

The fourth proportional to 245,919.60, 368,680.44 and 103,672.92 is: 155,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,919.60 : 368,680.44 = 103,672.92 : x
  2. Step 2: Convert to fraction form
    245,919.60/368,680.44 = 103,672.92/x
  3. Step 3: Cross multiply
    245,919.60x = 368,680.44 × 103,672.92
  4. Step 4: Simplify right side
    245,919.60x = 38,222,177,761.68
  5. Step 5: Solve for x
    x = 38,222,177,761.68/245,919.60
  6. Step 6: Final answer
    x = 155,425.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.