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Finding the Fourth Proportional to 88,321.84, 121,882.95 and 48,034.74

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Solution

The fourth proportional to 88,321.84, 121,882.95 and 48,034.74 is: 66,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,321.84 : 121,882.95 = 48,034.74 : x
  2. Step 2: Convert to fraction form
    88,321.84/121,882.95 = 48,034.74/x
  3. Step 3: Cross multiply
    88,321.84x = 121,882.95 × 48,034.74
  4. Step 4: Simplify right side
    88,321.84x = 5,854,615,813.68
  5. Step 5: Solve for x
    x = 5,854,615,813.68/88,321.84
  6. Step 6: Final answer
    x = 66,287.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.