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Finding the Fourth Proportional to 143,917.36, 215,969.44 and 65,032.27

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Solution

The fourth proportional to 143,917.36, 215,969.44 and 65,032.27 is: 97,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,917.36 : 215,969.44 = 65,032.27 : x
  2. Step 2: Convert to fraction form
    143,917.36/215,969.44 = 65,032.27/x
  3. Step 3: Cross multiply
    143,917.36x = 215,969.44 × 65,032.27
  4. Step 4: Simplify right side
    143,917.36x = 14,044,982,353.26
  5. Step 5: Solve for x
    x = 14,044,982,353.26/143,917.36
  6. Step 6: Final answer
    x = 97,590.61

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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.