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Finding the Fourth Proportional to 69,209.56, 95,409.66 and 49,303

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Solution

The fourth proportional to 69,209.56, 95,409.66 and 49,303 is: 67,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209.56 : 95,409.66 = 49,303 : x
  2. Step 2: Convert to fraction form
    69,209.56/95,409.66 = 49,303/x
  3. Step 3: Cross multiply
    69,209.56x = 95,409.66 × 49,303
  4. Step 4: Simplify right side
    69,209.56x = 4,703,982,466.98
  5. Step 5: Solve for x
    x = 4,703,982,466.98/69,209.56
  6. Step 6: Final answer
    x = 67,967.24

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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.