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Finding the Fourth Proportional to 247,309.17, 341,323.32 and 156,673.54

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Solution

The fourth proportional to 247,309.17, 341,323.32 and 156,673.54 is: 216,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,309.17 : 341,323.32 = 156,673.54 : x
  2. Step 2: Convert to fraction form
    247,309.17/341,323.32 = 156,673.54/x
  3. Step 3: Cross multiply
    247,309.17x = 341,323.32 × 156,673.54
  4. Step 4: Simplify right side
    247,309.17x = 53,476,332,961.84
  5. Step 5: Solve for x
    x = 53,476,332,961.84/247,309.17
  6. Step 6: Final answer
    x = 216,232.72

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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.