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Finding the Fourth Proportional to 245,707.68, 368,328 and 96,043.92

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Solution

The fourth proportional to 245,707.68, 368,328 and 96,043.92 is: 143,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,707.68 : 368,328 = 96,043.92 : x
  2. Step 2: Convert to fraction form
    245,707.68/368,328 = 96,043.92/x
  3. Step 3: Cross multiply
    245,707.68x = 368,328 × 96,043.92
  4. Step 4: Simplify right side
    245,707.68x = 35,375,664,965.76
  5. Step 5: Solve for x
    x = 35,375,664,965.76/245,707.68
  6. Step 6: Final answer
    x = 143,974.60

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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.