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Finding the Fourth Proportional to 143,114.70, 214,672.05 and 36,498.45

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Solution

The fourth proportional to 143,114.70, 214,672.05 and 36,498.45 is: 54,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,114.70 : 214,672.05 = 36,498.45 : x
  2. Step 2: Convert to fraction form
    143,114.70/214,672.05 = 36,498.45/x
  3. Step 3: Cross multiply
    143,114.70x = 214,672.05 × 36,498.45
  4. Step 4: Simplify right side
    143,114.70x = 7,835,197,083.32
  5. Step 5: Solve for x
    x = 7,835,197,083.32/143,114.70
  6. Step 6: Final answer
    x = 54,747.68

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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.