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Finding the Fourth Proportional to 111,666.98, 167,479.81 and 50,862.91

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Solution

The fourth proportional to 111,666.98, 167,479.81 and 50,862.91 is: 76,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,666.98 : 167,479.81 = 50,862.91 : x
  2. Step 2: Convert to fraction form
    111,666.98/167,479.81 = 50,862.91/x
  3. Step 3: Cross multiply
    111,666.98x = 167,479.81 × 50,862.91
  4. Step 4: Simplify right side
    111,666.98x = 8,518,510,502.85
  5. Step 5: Solve for x
    x = 8,518,510,502.85/111,666.98
  6. Step 6: Final answer
    x = 76,284.95

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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.