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Finding the Fourth Proportional to 143,323.80, 214,986.15 and 43,484.82

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Solution

The fourth proportional to 143,323.80, 214,986.15 and 43,484.82 is: 65,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,323.80 : 214,986.15 = 43,484.82 : x
  2. Step 2: Convert to fraction form
    143,323.80/214,986.15 = 43,484.82/x
  3. Step 3: Cross multiply
    143,323.80x = 214,986.15 × 43,484.82
  4. Step 4: Simplify right side
    143,323.80x = 9,348,634,035.24
  5. Step 5: Solve for x
    x = 9,348,634,035.24/143,323.80
  6. Step 6: Final answer
    x = 65,227.37

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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.