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Finding the Fourth Proportional to 243,745.20, 365,470.14 and 159,403.56

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Solution

The fourth proportional to 243,745.20, 365,470.14 and 159,403.56 is: 239,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,745.20 : 365,470.14 = 159,403.56 : x
  2. Step 2: Convert to fraction form
    243,745.20/365,470.14 = 159,403.56/x
  3. Step 3: Cross multiply
    243,745.20x = 365,470.14 × 159,403.56
  4. Step 4: Simplify right side
    243,745.20x = 58,257,241,389.70
  5. Step 5: Solve for x
    x = 58,257,241,389.70/243,745.20
  6. Step 6: Final answer
    x = 239,008.77

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1.5x scale

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.