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Finding the Fourth Proportional to 79,118.94, 118,678.14 and 32,371.83

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Solution

The fourth proportional to 79,118.94, 118,678.14 and 32,371.83 is: 48,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,118.94 : 118,678.14 = 32,371.83 : x
  2. Step 2: Convert to fraction form
    79,118.94/118,678.14 = 32,371.83/x
  3. Step 3: Cross multiply
    79,118.94x = 118,678.14 × 32,371.83
  4. Step 4: Simplify right side
    79,118.94x = 3,841,828,572.80
  5. Step 5: Solve for x
    x = 3,841,828,572.80/79,118.94
  6. Step 6: Final answer
    x = 48,557.63

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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.