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Finding the Fourth Proportional to 364,679.91, 547,036.88 and 111,950.19

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Solution

The fourth proportional to 364,679.91, 547,036.88 and 111,950.19 is: 167,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,679.91 : 547,036.88 = 111,950.19 : x
  2. Step 2: Convert to fraction form
    364,679.91/547,036.88 = 111,950.19/x
  3. Step 3: Cross multiply
    364,679.91x = 547,036.88 × 111,950.19
  4. Step 4: Simplify right side
    364,679.91x = 61,240,882,093.26
  5. Step 5: Solve for x
    x = 61,240,882,093.26/364,679.91
  6. Step 6: Final answer
    x = 167,930.51

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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.