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Finding the Fourth Proportional to 68,653.59, 102,995.90 and 37,062.96

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Solution

The fourth proportional to 68,653.59, 102,995.90 and 37,062.96 is: 55,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653.59 : 102,995.90 = 37,062.96 : x
  2. Step 2: Convert to fraction form
    68,653.59/102,995.90 = 37,062.96/x
  3. Step 3: Cross multiply
    68,653.59x = 102,995.90 × 37,062.96
  4. Step 4: Simplify right side
    68,653.59x = 3,817,332,736.55
  5. Step 5: Solve for x
    x = 3,817,332,736.55/68,653.59
  6. Step 6: Final answer
    x = 55,602.81

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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.