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Finding the Fourth Proportional to 275,160.90, 412,741.88 and 75,484.02

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Solution

The fourth proportional to 275,160.90, 412,741.88 and 75,484.02 is: 113,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,160.90 : 412,741.88 = 75,484.02 : x
  2. Step 2: Convert to fraction form
    275,160.90/412,741.88 = 75,484.02/x
  3. Step 3: Cross multiply
    275,160.90x = 412,741.88 × 75,484.02
  4. Step 4: Simplify right side
    275,160.90x = 31,155,416,324.76
  5. Step 5: Solve for x
    x = 31,155,416,324.76/275,160.90
  6. Step 6: Final answer
    x = 113,226.18

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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.