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Finding the Fourth Proportional to 107,371.60, 160,808.17 and 103,635.02

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Solution

The fourth proportional to 107,371.60, 160,808.17 and 103,635.02 is: 155,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,371.60 : 160,808.17 = 103,635.02 : x
  2. Step 2: Convert to fraction form
    107,371.60/160,808.17 = 103,635.02/x
  3. Step 3: Cross multiply
    107,371.60x = 160,808.17 × 103,635.02
  4. Step 4: Simplify right side
    107,371.60x = 16,665,357,914.11
  5. Step 5: Solve for x
    x = 16,665,357,914.11/107,371.60
  6. Step 6: Final answer
    x = 155,211.97

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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.