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Finding the Fourth Proportional to 71,640.84, 98,864.84 and 44,799.08

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Solution

The fourth proportional to 71,640.84, 98,864.84 and 44,799.08 is: 61,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,640.84 : 98,864.84 = 44,799.08 : x
  2. Step 2: Convert to fraction form
    71,640.84/98,864.84 = 44,799.08/x
  3. Step 3: Cross multiply
    71,640.84x = 98,864.84 × 44,799.08
  4. Step 4: Simplify right side
    71,640.84x = 4,429,053,876.35
  5. Step 5: Solve for x
    x = 4,429,053,876.35/71,640.84
  6. Step 6: Final answer
    x = 61,823.03

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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.