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Finding the Fourth Proportional to 69,722.78, 104,539.82 and 32,232.74

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Solution

The fourth proportional to 69,722.78, 104,539.82 and 32,232.74 is: 48,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.78 : 104,539.82 = 32,232.74 : x
  2. Step 2: Convert to fraction form
    69,722.78/104,539.82 = 32,232.74/x
  3. Step 3: Cross multiply
    69,722.78x = 104,539.82 × 32,232.74
  4. Step 4: Simplify right side
    69,722.78x = 3,369,604,153.84
  5. Step 5: Solve for x
    x = 3,369,604,153.84/69,722.78
  6. Step 6: Final answer
    x = 48,328.60

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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.