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Finding the Fourth Proportional to 69,307.80, 97,227.75 and 69,307.80

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Solution

The fourth proportional to 69,307.80, 97,227.75 and 69,307.80 is: 97,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.80 : 97,227.75 = 69,307.80 : x
  2. Step 2: Convert to fraction form
    69,307.80/97,227.75 = 69,307.80/x
  3. Step 3: Cross multiply
    69,307.80x = 97,227.75 × 69,307.80
  4. Step 4: Simplify right side
    69,307.80x = 6,738,641,451.45
  5. Step 5: Solve for x
    x = 6,738,641,451.45/69,307.80
  6. Step 6: Final answer
    x = 97,227.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.