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Finding the Fourth Proportional to 161,862.20, 242,793.30 and 160,825.40

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Solution

The fourth proportional to 161,862.20, 242,793.30 and 160,825.40 is: 241,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,862.20 : 242,793.30 = 160,825.40 : x
  2. Step 2: Convert to fraction form
    161,862.20/242,793.30 = 160,825.40/x
  3. Step 3: Cross multiply
    161,862.20x = 242,793.30 × 160,825.40
  4. Step 4: Simplify right side
    161,862.20x = 39,047,329,589.82
  5. Step 5: Solve for x
    x = 39,047,329,589.82/161,862.20
  6. Step 6: Final answer
    x = 241,238.10

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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.