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Finding the Fourth Proportional to 84,473.57, 126,622.86 and 69,525.42

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Solution

The fourth proportional to 84,473.57, 126,622.86 and 69,525.42 is: 104,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,473.57 : 126,622.86 = 69,525.42 : x
  2. Step 2: Convert to fraction form
    84,473.57/126,622.86 = 69,525.42/x
  3. Step 3: Cross multiply
    84,473.57x = 126,622.86 × 69,525.42
  4. Step 4: Simplify right side
    84,473.57x = 8,803,507,523.10
  5. Step 5: Solve for x
    x = 8,803,507,523.10/84,473.57
  6. Step 6: Final answer
    x = 104,216.12

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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.