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Finding the Fourth Proportional to 67,235.46, 100,806.49 and 29,775.12

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Solution

The fourth proportional to 67,235.46, 100,806.49 and 29,775.12 is: 44,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,235.46 : 100,806.49 = 29,775.12 : x
  2. Step 2: Convert to fraction form
    67,235.46/100,806.49 = 29,775.12/x
  3. Step 3: Cross multiply
    67,235.46x = 100,806.49 × 29,775.12
  4. Step 4: Simplify right side
    67,235.46x = 3,001,525,336.53
  5. Step 5: Solve for x
    x = 3,001,525,336.53/67,235.46
  6. Step 6: Final answer
    x = 44,642.00

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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.