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Finding the Fourth Proportional to 111,754, 167,244.24 and 69,041.89

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Solution

The fourth proportional to 111,754, 167,244.24 and 69,041.89 is: 103,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,754 : 167,244.24 = 69,041.89 : x
  2. Step 2: Convert to fraction form
    111,754/167,244.24 = 69,041.89/x
  3. Step 3: Cross multiply
    111,754x = 167,244.24 × 69,041.89
  4. Step 4: Simplify right side
    111,754x = 11,546,858,421.21
  5. Step 5: Solve for x
    x = 11,546,858,421.21/111,754
  6. Step 6: Final answer
    x = 103,323.89

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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.