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Finding the Fourth Proportional to 69,504.42, 104,240.64 and 41,432.40

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Solution

The fourth proportional to 69,504.42, 104,240.64 and 41,432.40 is: 62,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504.42 : 104,240.64 = 41,432.40 : x
  2. Step 2: Convert to fraction form
    69,504.42/104,240.64 = 41,432.40/x
  3. Step 3: Cross multiply
    69,504.42x = 104,240.64 × 41,432.40
  4. Step 4: Simplify right side
    69,504.42x = 4,318,939,892.74
  5. Step 5: Solve for x
    x = 4,318,939,892.74/69,504.42
  6. Step 6: Final answer
    x = 62,139.07

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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.