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Finding the Fourth Proportional to 70,943.42, 106,446.48 and 37,201.39

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Solution

The fourth proportional to 70,943.42, 106,446.48 and 37,201.39 is: 55,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.42 : 106,446.48 = 37,201.39 : x
  2. Step 2: Convert to fraction form
    70,943.42/106,446.48 = 37,201.39/x
  3. Step 3: Cross multiply
    70,943.42x = 106,446.48 × 37,201.39
  4. Step 4: Simplify right side
    70,943.42x = 3,959,956,298.37
  5. Step 5: Solve for x
    x = 3,959,956,298.37/70,943.42
  6. Step 6: Final answer
    x = 55,818.51

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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.