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Finding the Fourth Proportional to 79,337.66, 118,948.16 and 37,813.82

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Solution

The fourth proportional to 79,337.66, 118,948.16 and 37,813.82 is: 56,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,337.66 : 118,948.16 = 37,813.82 : x
  2. Step 2: Convert to fraction form
    79,337.66/118,948.16 = 37,813.82/x
  3. Step 3: Cross multiply
    79,337.66x = 118,948.16 × 37,813.82
  4. Step 4: Simplify right side
    79,337.66x = 4,497,884,311.57
  5. Step 5: Solve for x
    x = 4,497,884,311.57/79,337.66
  6. Step 6: Final answer
    x = 56,692.93

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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.