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Finding the Fourth Proportional to 247,618.33, 371,607.86 and 89,859.49

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Solution

The fourth proportional to 247,618.33, 371,607.86 and 89,859.49 is: 134,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,618.33 : 371,607.86 = 89,859.49 : x
  2. Step 2: Convert to fraction form
    247,618.33/371,607.86 = 89,859.49/x
  3. Step 3: Cross multiply
    247,618.33x = 371,607.86 × 89,859.49
  4. Step 4: Simplify right side
    247,618.33x = 33,392,492,330.29
  5. Step 5: Solve for x
    x = 33,392,492,330.29/247,618.33
  6. Step 6: Final answer
    x = 134,854.69

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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.