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Finding the Fourth Proportional to 114,061.11, 171,120.84 and 47,479.11

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Solution

The fourth proportional to 114,061.11, 171,120.84 and 47,479.11 is: 71,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,061.11 : 171,120.84 = 47,479.11 : x
  2. Step 2: Convert to fraction form
    114,061.11/171,120.84 = 47,479.11/x
  3. Step 3: Cross multiply
    114,061.11x = 171,120.84 × 47,479.11
  4. Step 4: Simplify right side
    114,061.11x = 8,124,665,185.65
  5. Step 5: Solve for x
    x = 8,124,665,185.65/114,061.11
  6. Step 6: Final answer
    x = 71,230.81

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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.