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Finding the Fourth Proportional to 247,718.40, 371,460.40 and 95,986.48

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Solution

The fourth proportional to 247,718.40, 371,460.40 and 95,986.48 is: 143,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.40 : 371,460.40 = 95,986.48 : x
  2. Step 2: Convert to fraction form
    247,718.40/371,460.40 = 95,986.48/x
  3. Step 3: Cross multiply
    247,718.40x = 371,460.40 × 95,986.48
  4. Step 4: Simplify right side
    247,718.40x = 35,655,176,255.39
  5. Step 5: Solve for x
    x = 35,655,176,255.39/247,718.40
  6. Step 6: Final answer
    x = 143,934.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.