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Finding the Fourth Proportional to 96,980.84, 145,454.76 and 26,843.72

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Solution

The fourth proportional to 96,980.84, 145,454.76 and 26,843.72 is: 40,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,980.84 : 145,454.76 = 26,843.72 : x
  2. Step 2: Convert to fraction form
    96,980.84/145,454.76 = 26,843.72/x
  3. Step 3: Cross multiply
    96,980.84x = 145,454.76 × 26,843.72
  4. Step 4: Simplify right side
    96,980.84x = 3,904,546,850.11
  5. Step 5: Solve for x
    x = 3,904,546,850.11/96,980.84
  6. Step 6: Final answer
    x = 40,261.01

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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.