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Finding the Fourth Proportional to 68,602.52, 102,947.70 and 37,034.56

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Solution

The fourth proportional to 68,602.52, 102,947.70 and 37,034.56 is: 55,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,602.52 : 102,947.70 = 37,034.56 : x
  2. Step 2: Convert to fraction form
    68,602.52/102,947.70 = 37,034.56/x
  3. Step 3: Cross multiply
    68,602.52x = 102,947.70 × 37,034.56
  4. Step 4: Simplify right side
    68,602.52x = 3,812,622,772.51
  5. Step 5: Solve for x
    x = 3,812,622,772.51/68,602.52
  6. Step 6: Final answer
    x = 55,575.55

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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.