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Finding the Fourth Proportional to 70,699.48, 106,043.70 and 41,098.43

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Solution

The fourth proportional to 70,699.48, 106,043.70 and 41,098.43 is: 61,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,699.48 : 106,043.70 = 41,098.43 : x
  2. Step 2: Convert to fraction form
    70,699.48/106,043.70 = 41,098.43/x
  3. Step 3: Cross multiply
    70,699.48x = 106,043.70 × 41,098.43
  4. Step 4: Simplify right side
    70,699.48x = 4,358,229,581.39
  5. Step 5: Solve for x
    x = 4,358,229,581.39/70,699.48
  6. Step 6: Final answer
    x = 61,644.44

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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.