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Finding the Fourth Proportional to 114,379.13, 171,574.16 and 55,264.52

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Solution

The fourth proportional to 114,379.13, 171,574.16 and 55,264.52 is: 82,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,379.13 : 171,574.16 = 55,264.52 : x
  2. Step 2: Convert to fraction form
    114,379.13/171,574.16 = 55,264.52/x
  3. Step 3: Cross multiply
    114,379.13x = 171,574.16 × 55,264.52
  4. Step 4: Simplify right side
    114,379.13x = 9,481,962,462.61
  5. Step 5: Solve for x
    x = 9,481,962,462.61/114,379.13
  6. Step 6: Final answer
    x = 82,899.41

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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.