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Finding the Fourth Proportional to 79,761.51, 119,480.85 and 37,006.74

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Solution

The fourth proportional to 79,761.51, 119,480.85 and 37,006.74 is: 55,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.51 : 119,480.85 = 37,006.74 : x
  2. Step 2: Convert to fraction form
    79,761.51/119,480.85 = 37,006.74/x
  3. Step 3: Cross multiply
    79,761.51x = 119,480.85 × 37,006.74
  4. Step 4: Simplify right side
    79,761.51x = 4,421,596,750.93
  5. Step 5: Solve for x
    x = 4,421,596,750.93/79,761.51
  6. Step 6: Final answer
    x = 55,435.22

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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.