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Finding the Fourth Proportional to 70,752.35, 106,138.94 and 23,372.35

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Solution

The fourth proportional to 70,752.35, 106,138.94 and 23,372.35 is: 35,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,752.35 : 106,138.94 = 23,372.35 : x
  2. Step 2: Convert to fraction form
    70,752.35/106,138.94 = 23,372.35/x
  3. Step 3: Cross multiply
    70,752.35x = 106,138.94 × 23,372.35
  4. Step 4: Simplify right side
    70,752.35x = 2,480,716,072.10
  5. Step 5: Solve for x
    x = 2,480,716,072.10/70,752.35
  6. Step 6: Final answer
    x = 35,061.96

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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.