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Finding the Fourth Proportional to 67,963.19, 102,009.65 and 41,719.19

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Solution

The fourth proportional to 67,963.19, 102,009.65 and 41,719.19 is: 62,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,963.19 : 102,009.65 = 41,719.19 : x
  2. Step 2: Convert to fraction form
    67,963.19/102,009.65 = 41,719.19/x
  3. Step 3: Cross multiply
    67,963.19x = 102,009.65 × 41,719.19
  4. Step 4: Simplify right side
    67,963.19x = 4,255,759,251.54
  5. Step 5: Solve for x
    x = 4,255,759,251.54/67,963.19
  6. Step 6: Final answer
    x = 62,618.60

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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.