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Finding the Fourth Proportional to 88,364.52, 121,943.57 and 48,078.59

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Solution

The fourth proportional to 88,364.52, 121,943.57 and 48,078.59 is: 66,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.52 : 121,943.57 = 48,078.59 : x
  2. Step 2: Convert to fraction form
    88,364.52/121,943.57 = 48,078.59/x
  3. Step 3: Cross multiply
    88,364.52x = 121,943.57 × 48,078.59
  4. Step 4: Simplify right side
    88,364.52x = 5,862,874,055.06
  5. Step 5: Solve for x
    x = 5,862,874,055.06/88,364.52
  6. Step 6: Final answer
    x = 66,348.73

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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.