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Finding the Fourth Proportional to 605,169.60, 907,754.40 and 161,937.60

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Solution

The fourth proportional to 605,169.60, 907,754.40 and 161,937.60 is: 242,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,169.60 : 907,754.40 = 161,937.60 : x
  2. Step 2: Convert to fraction form
    605,169.60/907,754.40 = 161,937.60/x
  3. Step 3: Cross multiply
    605,169.60x = 907,754.40 × 161,937.60
  4. Step 4: Simplify right side
    605,169.60x = 146,999,568,925.44
  5. Step 5: Solve for x
    x = 146,999,568,925.44/605,169.60
  6. Step 6: Final answer
    x = 242,906.40

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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.