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Finding the Fourth Proportional to 76,149.45, 114,071.90 and 35,568.25

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Solution

The fourth proportional to 76,149.45, 114,071.90 and 35,568.25 is: 53,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,149.45 : 114,071.90 = 35,568.25 : x
  2. Step 2: Convert to fraction form
    76,149.45/114,071.90 = 35,568.25/x
  3. Step 3: Cross multiply
    76,149.45x = 114,071.90 × 35,568.25
  4. Step 4: Simplify right side
    76,149.45x = 4,057,337,394.15
  5. Step 5: Solve for x
    x = 4,057,337,394.15/76,149.45
  6. Step 6: Final answer
    x = 53,281.24

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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.