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Finding the Fourth Proportional to 68,277.99, 102,394.81 and 26,155.83

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Solution

The fourth proportional to 68,277.99, 102,394.81 and 26,155.83 is: 39,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,277.99 : 102,394.81 = 26,155.83 : x
  2. Step 2: Convert to fraction form
    68,277.99/102,394.81 = 26,155.83/x
  3. Step 3: Cross multiply
    68,277.99x = 102,394.81 × 26,155.83
  4. Step 4: Simplify right side
    68,277.99x = 2,678,221,243.24
  5. Step 5: Solve for x
    x = 2,678,221,243.24/68,277.99
  6. Step 6: Final answer
    x = 39,225.25

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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.