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Finding the Fourth Proportional to 111,950.38, 154,479.76 and 63,536.91

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Solution

The fourth proportional to 111,950.38, 154,479.76 and 63,536.91 is: 87,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,950.38 : 154,479.76 = 63,536.91 : x
  2. Step 2: Convert to fraction form
    111,950.38/154,479.76 = 63,536.91/x
  3. Step 3: Cross multiply
    111,950.38x = 154,479.76 × 63,536.91
  4. Step 4: Simplify right side
    111,950.38x = 9,815,166,607.94
  5. Step 5: Solve for x
    x = 9,815,166,607.94/111,950.38
  6. Step 6: Final answer
    x = 87,674.26

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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.