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Finding the Fourth Proportional to 247,260.51, 341,073.32 and 157,836.51

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Solution

The fourth proportional to 247,260.51, 341,073.32 and 157,836.51 is: 217,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,260.51 : 341,073.32 = 157,836.51 : x
  2. Step 2: Convert to fraction form
    247,260.51/341,073.32 = 157,836.51/x
  3. Step 3: Cross multiply
    247,260.51x = 341,073.32 × 157,836.51
  4. Step 4: Simplify right side
    247,260.51x = 53,833,821,693.73
  5. Step 5: Solve for x
    x = 53,833,821,693.73/247,260.51
  6. Step 6: Final answer
    x = 217,721.07

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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.