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Finding the Fourth Proportional to 183,462.20, 275,193.30 and 130,318.10

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Solution

The fourth proportional to 183,462.20, 275,193.30 and 130,318.10 is: 195,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,462.20 : 275,193.30 = 130,318.10 : x
  2. Step 2: Convert to fraction form
    183,462.20/275,193.30 = 130,318.10/x
  3. Step 3: Cross multiply
    183,462.20x = 275,193.30 × 130,318.10
  4. Step 4: Simplify right side
    183,462.20x = 35,862,667,988.73
  5. Step 5: Solve for x
    x = 35,862,667,988.73/183,462.20
  6. Step 6: Final answer
    x = 195,477.15

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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.