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Finding the Fourth Proportional to 247,998.64, 342,240.54 and 134,823.82

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Solution

The fourth proportional to 247,998.64, 342,240.54 and 134,823.82 is: 186,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,998.64 : 342,240.54 = 134,823.82 : x
  2. Step 2: Convert to fraction form
    247,998.64/342,240.54 = 134,823.82/x
  3. Step 3: Cross multiply
    247,998.64x = 342,240.54 × 134,823.82
  4. Step 4: Simplify right side
    247,998.64x = 46,142,176,961.66
  5. Step 5: Solve for x
    x = 46,142,176,961.66/247,998.64
  6. Step 6: Final answer
    x = 186,058.19

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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.