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Finding the Fourth Proportional to 70,700.87, 106,055.22 and 23,314.05

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Solution

The fourth proportional to 70,700.87, 106,055.22 and 23,314.05 is: 34,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,700.87 : 106,055.22 = 23,314.05 : x
  2. Step 2: Convert to fraction form
    70,700.87/106,055.22 = 23,314.05/x
  3. Step 3: Cross multiply
    70,700.87x = 106,055.22 × 23,314.05
  4. Step 4: Simplify right side
    70,700.87x = 2,472,576,701.84
  5. Step 5: Solve for x
    x = 2,472,576,701.84/70,700.87
  6. Step 6: Final answer
    x = 34,972.37

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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.