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Finding the Fourth Proportional to 59,682.80, 89,378.40 and 44,811.20

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Solution

The fourth proportional to 59,682.80, 89,378.40 and 44,811.20 is: 67,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,682.80 : 89,378.40 = 44,811.20 : x
  2. Step 2: Convert to fraction form
    59,682.80/89,378.40 = 44,811.20/x
  3. Step 3: Cross multiply
    59,682.80x = 89,378.40 × 44,811.20
  4. Step 4: Simplify right side
    59,682.80x = 4,005,153,358.08
  5. Step 5: Solve for x
    x = 4,005,153,358.08/59,682.80
  6. Step 6: Final answer
    x = 67,107.33

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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.