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Finding the Fourth Proportional to 69,447.00, 95,836.03 and 42,214.07

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Solution

The fourth proportional to 69,447.00, 95,836.03 and 42,214.07 is: 58,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.00 : 95,836.03 = 42,214.07 : x
  2. Step 2: Convert to fraction form
    69,447.00/95,836.03 = 42,214.07/x
  3. Step 3: Cross multiply
    69,447.00x = 95,836.03 × 42,214.07
  4. Step 4: Simplify right side
    69,447.00x = 4,045,628,473.92
  5. Step 5: Solve for x
    x = 4,045,628,473.92/69,447.00
  6. Step 6: Final answer
    x = 58,254.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.