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Finding the Fourth Proportional to 59,159.49, 81,640.13 and 34,007.49

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Solution

The fourth proportional to 59,159.49, 81,640.13 and 34,007.49 is: 46,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,159.49 : 81,640.13 = 34,007.49 : x
  2. Step 2: Convert to fraction form
    59,159.49/81,640.13 = 34,007.49/x
  3. Step 3: Cross multiply
    59,159.49x = 81,640.13 × 34,007.49
  4. Step 4: Simplify right side
    59,159.49x = 2,776,375,734.54
  5. Step 5: Solve for x
    x = 2,776,375,734.54/59,159.49
  6. Step 6: Final answer
    x = 46,930.35

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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.