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Finding the Fourth Proportional to 68,653.09, 102,995.15 and 37,062.46

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Solution

The fourth proportional to 68,653.09, 102,995.15 and 37,062.46 is: 55,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653.09 : 102,995.15 = 37,062.46 : x
  2. Step 2: Convert to fraction form
    68,653.09/102,995.15 = 37,062.46/x
  3. Step 3: Cross multiply
    68,653.09x = 102,995.15 × 37,062.46
  4. Step 4: Simplify right side
    68,653.09x = 3,817,253,184.27
  5. Step 5: Solve for x
    x = 3,817,253,184.27/68,653.09
  6. Step 6: Final answer
    x = 55,602.06

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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.