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Finding the Fourth Proportional to 62,107.68, 92,980.86 and 55,696.20

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Solution

The fourth proportional to 62,107.68, 92,980.86 and 55,696.20 is: 83,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.68 : 92,980.86 = 55,696.20 : x
  2. Step 2: Convert to fraction form
    62,107.68/92,980.86 = 55,696.20/x
  3. Step 3: Cross multiply
    62,107.68x = 92,980.86 × 55,696.20
  4. Step 4: Simplify right side
    62,107.68x = 5,178,680,574.73
  5. Step 5: Solve for x
    x = 5,178,680,574.73/62,107.68
  6. Step 6: Final answer
    x = 83,382.29

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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.