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Finding the Fourth Proportional to 69,220.30, 103,684.65 and 69,220.30

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Solution

The fourth proportional to 69,220.30, 103,684.65 and 69,220.30 is: 103,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,220.30 : 103,684.65 = 69,220.30 : x
  2. Step 2: Convert to fraction form
    69,220.30/103,684.65 = 69,220.30/x
  3. Step 3: Cross multiply
    69,220.30x = 103,684.65 × 69,220.30
  4. Step 4: Simplify right side
    69,220.30x = 7,177,082,578.40
  5. Step 5: Solve for x
    x = 7,177,082,578.40/69,220.30
  6. Step 6: Final answer
    x = 103,684.65

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1.5x scale

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.