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Finding the Fourth Proportional to 247,239.40, 370,859.10 and 60,252.52

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Solution

The fourth proportional to 247,239.40, 370,859.10 and 60,252.52 is: 90,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,239.40 : 370,859.10 = 60,252.52 : x
  2. Step 2: Convert to fraction form
    247,239.40/370,859.10 = 60,252.52/x
  3. Step 3: Cross multiply
    247,239.40x = 370,859.10 × 60,252.52
  4. Step 4: Simplify right side
    247,239.40x = 22,345,195,339.93
  5. Step 5: Solve for x
    x = 22,345,195,339.93/247,239.40
  6. Step 6: Final answer
    x = 90,378.78

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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.