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Finding the Fourth Proportional to 247,269.51, 341,085.74 and 157,845.51

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Solution

The fourth proportional to 247,269.51, 341,085.74 and 157,845.51 is: 217,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,269.51 : 341,085.74 = 157,845.51 : x
  2. Step 2: Convert to fraction form
    247,269.51/341,085.74 = 157,845.51/x
  3. Step 3: Cross multiply
    247,269.51x = 341,085.74 × 157,845.51
  4. Step 4: Simplify right side
    247,269.51x = 53,838,851,794.80
  5. Step 5: Solve for x
    x = 53,838,851,794.80/247,269.51
  6. Step 6: Final answer
    x = 217,733.48

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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.