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Finding the Fourth Proportional to 70,679.16, 106,034.40 and 23,292.36

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Solution

The fourth proportional to 70,679.16, 106,034.40 and 23,292.36 is: 34,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.16 : 106,034.40 = 23,292.36 : x
  2. Step 2: Convert to fraction form
    70,679.16/106,034.40 = 23,292.36/x
  3. Step 3: Cross multiply
    70,679.16x = 106,034.40 × 23,292.36
  4. Step 4: Simplify right side
    70,679.16x = 2,469,791,417.18
  5. Step 5: Solve for x
    x = 2,469,791,417.18/70,679.16
  6. Step 6: Final answer
    x = 34,943.70

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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.