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Finding the Fourth Proportional to 107,505.55, 161,196 and 36,404.45

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Solution

The fourth proportional to 107,505.55, 161,196 and 36,404.45 is: 54,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,505.55 : 161,196 = 36,404.45 : x
  2. Step 2: Convert to fraction form
    107,505.55/161,196 = 36,404.45/x
  3. Step 3: Cross multiply
    107,505.55x = 161,196 × 36,404.45
  4. Step 4: Simplify right side
    107,505.55x = 5,868,251,722.20
  5. Step 5: Solve for x
    x = 5,868,251,722.20/107,505.55
  6. Step 6: Final answer
    x = 54,585.57

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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.