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Finding the Fourth Proportional to 159,809.53, 239,485.83 and 117,356.62

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Solution

The fourth proportional to 159,809.53, 239,485.83 and 117,356.62 is: 175,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,809.53 : 239,485.83 = 117,356.62 : x
  2. Step 2: Convert to fraction form
    159,809.53/239,485.83 = 117,356.62/x
  3. Step 3: Cross multiply
    159,809.53x = 239,485.83 × 117,356.62
  4. Step 4: Simplify right side
    159,809.53x = 28,105,247,546.69
  5. Step 5: Solve for x
    x = 28,105,247,546.69/159,809.53
  6. Step 6: Final answer
    x = 175,867.16

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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.