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Finding the Fourth Proportional to 111,803.04, 167,668.98 and 36,909.24

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Solution

The fourth proportional to 111,803.04, 167,668.98 and 36,909.24 is: 55,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,803.04 : 167,668.98 = 36,909.24 : x
  2. Step 2: Convert to fraction form
    111,803.04/167,668.98 = 36,909.24/x
  3. Step 3: Cross multiply
    111,803.04x = 167,668.98 × 36,909.24
  4. Step 4: Simplify right side
    111,803.04x = 6,188,534,623.38
  5. Step 5: Solve for x
    x = 6,188,534,623.38/111,803.04
  6. Step 6: Final answer
    x = 55,352.11

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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.