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Finding the Fourth Proportional to 247,833.48, 371,749.52 and 70,340.66

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Solution

The fourth proportional to 247,833.48, 371,749.52 and 70,340.66 is: 105,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,833.48 : 371,749.52 = 70,340.66 : x
  2. Step 2: Convert to fraction form
    247,833.48/371,749.52 = 70,340.66/x
  3. Step 3: Cross multiply
    247,833.48x = 371,749.52 × 70,340.66
  4. Step 4: Simplify right side
    247,833.48x = 26,149,106,591.48
  5. Step 5: Solve for x
    x = 26,149,106,591.48/247,833.48
  6. Step 6: Final answer
    x = 105,510.79

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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.