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Finding the Fourth Proportional to 162,760.20, 244,140.30 and 161,723.40

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Solution

The fourth proportional to 162,760.20, 244,140.30 and 161,723.40 is: 242,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,760.20 : 244,140.30 = 161,723.40 : x
  2. Step 2: Convert to fraction form
    162,760.20/244,140.30 = 161,723.40/x
  3. Step 3: Cross multiply
    162,760.20x = 244,140.30 × 161,723.40
  4. Step 4: Simplify right side
    162,760.20x = 39,483,199,393.02
  5. Step 5: Solve for x
    x = 39,483,199,393.02/162,760.20
  6. Step 6: Final answer
    x = 242,585.10

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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.