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Finding the Fourth Proportional to 69,045.48, 103,574.12 and 29,593.20

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Solution

The fourth proportional to 69,045.48, 103,574.12 and 29,593.20 is: 44,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,045.48 : 103,574.12 = 29,593.20 : x
  2. Step 2: Convert to fraction form
    69,045.48/103,574.12 = 29,593.20/x
  3. Step 3: Cross multiply
    69,045.48x = 103,574.12 × 29,593.20
  4. Step 4: Simplify right side
    69,045.48x = 3,065,089,647.98
  5. Step 5: Solve for x
    x = 3,065,089,647.98/69,045.48
  6. Step 6: Final answer
    x = 44,392.33

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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.