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Finding the Fourth Proportional to 247,366.53, 341,371.94 and 151,818.93

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Solution

The fourth proportional to 247,366.53, 341,371.94 and 151,818.93 is: 209,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,366.53 : 341,371.94 = 151,818.93 : x
  2. Step 2: Convert to fraction form
    247,366.53/341,371.94 = 151,818.93/x
  3. Step 3: Cross multiply
    247,366.53x = 341,371.94 × 151,818.93
  4. Step 4: Simplify right side
    247,366.53x = 51,826,721,903.73
  5. Step 5: Solve for x
    x = 51,826,721,903.73/247,366.53
  6. Step 6: Final answer
    x = 209,513.88

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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.