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Finding the Fourth Proportional to 247,326.27, 341,318.00 and 139,894.16

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Solution

The fourth proportional to 247,326.27, 341,318.00 and 139,894.16 is: 193,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,326.27 : 341,318.00 = 139,894.16 : x
  2. Step 2: Convert to fraction form
    247,326.27/341,318.00 = 139,894.16/x
  3. Step 3: Cross multiply
    247,326.27x = 341,318.00 × 139,894.16
  4. Step 4: Simplify right side
    247,326.27x = 47,748,392,496.82
  5. Step 5: Solve for x
    x = 47,748,392,496.82/247,326.27
  6. Step 6: Final answer
    x = 193,058.31

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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.