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Finding the Fourth Proportional to 269,993.28, 372,466.62 and 156,794.16

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Solution

The fourth proportional to 269,993.28, 372,466.62 and 156,794.16 is: 216,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,993.28 : 372,466.62 = 156,794.16 : x
  2. Step 2: Convert to fraction form
    269,993.28/372,466.62 = 156,794.16/x
  3. Step 3: Cross multiply
    269,993.28x = 372,466.62 × 156,794.16
  4. Step 4: Simplify right side
    269,993.28x = 58,400,590,810.94
  5. Step 5: Solve for x
    x = 58,400,590,810.94/269,993.28
  6. Step 6: Final answer
    x = 216,303.87

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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.