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Finding the Fourth Proportional to 69,970.87, 104,972.70 and 23,223.74

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Solution

The fourth proportional to 69,970.87, 104,972.70 and 23,223.74 is: 34,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,970.87 : 104,972.70 = 23,223.74 : x
  2. Step 2: Convert to fraction form
    69,970.87/104,972.70 = 23,223.74/x
  3. Step 3: Cross multiply
    69,970.87x = 104,972.70 × 23,223.74
  4. Step 4: Simplify right side
    69,970.87x = 2,437,858,691.90
  5. Step 5: Solve for x
    x = 2,437,858,691.90/69,970.87
  6. Step 6: Final answer
    x = 34,841.05

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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.