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Finding the Fourth Proportional to 193,356.99, 290,247.57 and 153,631.35

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Solution

The fourth proportional to 193,356.99, 290,247.57 and 153,631.35 is: 230,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,356.99 : 290,247.57 = 153,631.35 : x
  2. Step 2: Convert to fraction form
    193,356.99/290,247.57 = 153,631.35/x
  3. Step 3: Cross multiply
    193,356.99x = 290,247.57 × 153,631.35
  4. Step 4: Simplify right side
    193,356.99x = 44,591,126,013.32
  5. Step 5: Solve for x
    x = 44,591,126,013.32/193,356.99
  6. Step 6: Final answer
    x = 230,615.54

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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.