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Finding the Fourth Proportional to 111,525.65, 167,294.96 and 31,556.91

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Solution

The fourth proportional to 111,525.65, 167,294.96 and 31,556.91 is: 47,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,525.65 : 167,294.96 = 31,556.91 : x
  2. Step 2: Convert to fraction form
    111,525.65/167,294.96 = 31,556.91/x
  3. Step 3: Cross multiply
    111,525.65x = 167,294.96 × 31,556.91
  4. Step 4: Simplify right side
    111,525.65x = 5,279,311,838.39
  5. Step 5: Solve for x
    x = 5,279,311,838.39/111,525.65
  6. Step 6: Final answer
    x = 47,337.20

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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.