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Finding the Fourth Proportional to 247,693.92, 341,824.32 and 145,726.08

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Solution

The fourth proportional to 247,693.92, 341,824.32 and 145,726.08 is: 201,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,693.92 : 341,824.32 = 145,726.08 : x
  2. Step 2: Convert to fraction form
    247,693.92/341,824.32 = 145,726.08/x
  3. Step 3: Cross multiply
    247,693.92x = 341,824.32 × 145,726.08
  4. Step 4: Simplify right side
    247,693.92x = 49,812,718,202.27
  5. Step 5: Solve for x
    x = 49,812,718,202.27/247,693.92
  6. Step 6: Final answer
    x = 201,105.94

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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.