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Finding the Fourth Proportional to 95,405.94, 143,089.47 and 36,220.86

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Solution

The fourth proportional to 95,405.94, 143,089.47 and 36,220.86 is: 54,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,405.94 : 143,089.47 = 36,220.86 : x
  2. Step 2: Convert to fraction form
    95,405.94/143,089.47 = 36,220.86/x
  3. Step 3: Cross multiply
    95,405.94x = 143,089.47 × 36,220.86
  4. Step 4: Simplify right side
    95,405.94x = 5,182,823,660.34
  5. Step 5: Solve for x
    x = 5,182,823,660.34/95,405.94
  6. Step 6: Final answer
    x = 54,323.91

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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.