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Finding the Fourth Proportional to 247,963.60, 371,945.40 and 60,975.10

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Solution

The fourth proportional to 247,963.60, 371,945.40 and 60,975.10 is: 91,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,963.60 : 371,945.40 = 60,975.10 : x
  2. Step 2: Convert to fraction form
    247,963.60/371,945.40 = 60,975.10/x
  3. Step 3: Cross multiply
    247,963.60x = 371,945.40 × 60,975.10
  4. Step 4: Simplify right side
    247,963.60x = 22,679,407,959.54
  5. Step 5: Solve for x
    x = 22,679,407,959.54/247,963.60
  6. Step 6: Final answer
    x = 91,462.65

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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.