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Finding the Fourth Proportional to 111,846.85, 154,351.23 and 63,452.02

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Solution

The fourth proportional to 111,846.85, 154,351.23 and 63,452.02 is: 87,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,846.85 : 154,351.23 = 63,452.02 : x
  2. Step 2: Convert to fraction form
    111,846.85/154,351.23 = 63,452.02/x
  3. Step 3: Cross multiply
    111,846.85x = 154,351.23 × 63,452.02
  4. Step 4: Simplify right side
    111,846.85x = 9,793,896,947.11
  5. Step 5: Solve for x
    x = 9,793,896,947.11/111,846.85
  6. Step 6: Final answer
    x = 87,565.25

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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.