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Finding the Fourth Proportional to 69,534, 104,306.94 and 19,614.60

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Solution

The fourth proportional to 69,534, 104,306.94 and 19,614.60 is: 29,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,534 : 104,306.94 = 19,614.60 : x
  2. Step 2: Convert to fraction form
    69,534/104,306.94 = 19,614.60/x
  3. Step 3: Cross multiply
    69,534x = 104,306.94 × 19,614.60
  4. Step 4: Simplify right side
    69,534x = 2,045,938,905.32
  5. Step 5: Solve for x
    x = 2,045,938,905.32/69,534
  6. Step 6: Final answer
    x = 29,423.58

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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.