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Finding the Fourth Proportional to 69,079.40, 103,619.10 and 24,727.40

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Solution

The fourth proportional to 69,079.40, 103,619.10 and 24,727.40 is: 37,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,079.40 : 103,619.10 = 24,727.40 : x
  2. Step 2: Convert to fraction form
    69,079.40/103,619.10 = 24,727.40/x
  3. Step 3: Cross multiply
    69,079.40x = 103,619.10 × 24,727.40
  4. Step 4: Simplify right side
    69,079.40x = 2,562,230,933.34
  5. Step 5: Solve for x
    x = 2,562,230,933.34/69,079.40
  6. Step 6: Final answer
    x = 37,091.10

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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.