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Finding the Fourth Proportional to 70,703.72, 106,033.03 and 23,309.98

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Solution

The fourth proportional to 70,703.72, 106,033.03 and 23,309.98 is: 34,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,703.72 : 106,033.03 = 23,309.98 : x
  2. Step 2: Convert to fraction form
    70,703.72/106,033.03 = 23,309.98/x
  3. Step 3: Cross multiply
    70,703.72x = 106,033.03 × 23,309.98
  4. Step 4: Simplify right side
    70,703.72x = 2,471,627,808.64
  5. Step 5: Solve for x
    x = 2,471,627,808.64/70,703.72
  6. Step 6: Final answer
    x = 34,957.54

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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.