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Finding the Fourth Proportional to 247,651.72, 341,584.50 and 152,212.12

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Solution

The fourth proportional to 247,651.72, 341,584.50 and 152,212.12 is: 209,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,651.72 : 341,584.50 = 152,212.12 : x
  2. Step 2: Convert to fraction form
    247,651.72/341,584.50 = 152,212.12/x
  3. Step 3: Cross multiply
    247,651.72x = 341,584.50 × 152,212.12
  4. Step 4: Simplify right side
    247,651.72x = 51,993,300,904.14
  5. Step 5: Solve for x
    x = 51,993,300,904.14/247,651.72
  6. Step 6: Final answer
    x = 209,945.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.