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Finding the Fourth Proportional to 69,277.86, 103,873.44 and 29,276.14

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Solution

The fourth proportional to 69,277.86, 103,873.44 and 29,276.14 is: 43,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,277.86 : 103,873.44 = 29,276.14 : x
  2. Step 2: Convert to fraction form
    69,277.86/103,873.44 = 29,276.14/x
  3. Step 3: Cross multiply
    69,277.86x = 103,873.44 × 29,276.14
  4. Step 4: Simplify right side
    69,277.86x = 3,041,013,371.72
  5. Step 5: Solve for x
    x = 3,041,013,371.72/69,277.86
  6. Step 6: Final answer
    x = 43,895.89

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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.