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Finding the Fourth Proportional to 143,663.90, 215,508.22 and 37,046.94

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Solution

The fourth proportional to 143,663.90, 215,508.22 and 37,046.94 is: 55,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,663.90 : 215,508.22 = 37,046.94 : x
  2. Step 2: Convert to fraction form
    143,663.90/215,508.22 = 37,046.94/x
  3. Step 3: Cross multiply
    143,663.90x = 215,508.22 × 37,046.94
  4. Step 4: Simplify right side
    143,663.90x = 7,983,919,195.07
  5. Step 5: Solve for x
    x = 7,983,919,195.07/143,663.90
  6. Step 6: Final answer
    x = 55,573.60

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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.