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Finding the Fourth Proportional to 173,886.75, 239,963.72 and 98,435.25

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Solution

The fourth proportional to 173,886.75, 239,963.72 and 98,435.25 is: 135,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.75 : 239,963.72 = 98,435.25 : x
  2. Step 2: Convert to fraction form
    173,886.75/239,963.72 = 98,435.25/x
  3. Step 3: Cross multiply
    173,886.75x = 239,963.72 × 98,435.25
  4. Step 4: Simplify right side
    173,886.75x = 23,620,888,276.95
  5. Step 5: Solve for x
    x = 23,620,888,276.95/173,886.75
  6. Step 6: Final answer
    x = 135,840.65

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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.