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Finding the Fourth Proportional to 69,472.79, 104,207.82 and 67,627.51

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Solution

The fourth proportional to 69,472.79, 104,207.82 and 67,627.51 is: 101,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.79 : 104,207.82 = 67,627.51 : x
  2. Step 2: Convert to fraction form
    69,472.79/104,207.82 = 67,627.51/x
  3. Step 3: Cross multiply
    69,472.79x = 104,207.82 × 67,627.51
  4. Step 4: Simplify right side
    69,472.79x = 7,047,314,875.01
  5. Step 5: Solve for x
    x = 7,047,314,875.01/69,472.79
  6. Step 6: Final answer
    x = 101,439.93

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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.