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Finding the Fourth Proportional to 107,375.60, 160,814.17 and 103,639.02

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Solution

The fourth proportional to 107,375.60, 160,814.17 and 103,639.02 is: 155,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,375.60 : 160,814.17 = 103,639.02 : x
  2. Step 2: Convert to fraction form
    107,375.60/160,814.17 = 103,639.02/x
  3. Step 3: Cross multiply
    107,375.60x = 160,814.17 × 103,639.02
  4. Step 4: Simplify right side
    107,375.60x = 16,666,622,980.91
  5. Step 5: Solve for x
    x = 16,666,622,980.91/107,375.60
  6. Step 6: Final answer
    x = 155,217.97

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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.