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Finding the Fourth Proportional to 247,065, 370,564.74 and 69,585.96

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Solution

The fourth proportional to 247,065, 370,564.74 and 69,585.96 is: 104,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,065 : 370,564.74 = 69,585.96 : x
  2. Step 2: Convert to fraction form
    247,065/370,564.74 = 69,585.96/x
  3. Step 3: Cross multiply
    247,065x = 370,564.74 × 69,585.96
  4. Step 4: Simplify right side
    247,065x = 25,786,103,175.05
  5. Step 5: Solve for x
    x = 25,786,103,175.05/247,065
  6. Step 6: Final answer
    x = 104,369.71

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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.