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Finding the Fourth Proportional to 247,782.05, 371,673.32 and 67,854.32

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Solution

The fourth proportional to 247,782.05, 371,673.32 and 67,854.32 is: 101,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,782.05 : 371,673.32 = 67,854.32 : x
  2. Step 2: Convert to fraction form
    247,782.05/371,673.32 = 67,854.32/x
  3. Step 3: Cross multiply
    247,782.05x = 371,673.32 × 67,854.32
  4. Step 4: Simplify right side
    247,782.05x = 25,219,640,390.74
  5. Step 5: Solve for x
    x = 25,219,640,390.74/247,782.05
  6. Step 6: Final answer
    x = 101,781.55

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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.