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Finding the Fourth Proportional to 68,956.63, 103,382.37 and 35,655.46

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Solution

The fourth proportional to 68,956.63, 103,382.37 and 35,655.46 is: 53,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956.63 : 103,382.37 = 35,655.46 : x
  2. Step 2: Convert to fraction form
    68,956.63/103,382.37 = 35,655.46/x
  3. Step 3: Cross multiply
    68,956.63x = 103,382.37 × 35,655.46
  4. Step 4: Simplify right side
    68,956.63x = 3,686,145,699.78
  5. Step 5: Solve for x
    x = 3,686,145,699.78/68,956.63
  6. Step 6: Final answer
    x = 53,456.00

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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.