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Finding the Fourth Proportional to 79,602.66, 119,378.64 and 26,284.71

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Solution

The fourth proportional to 79,602.66, 119,378.64 and 26,284.71 is: 39,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.66 : 119,378.64 = 26,284.71 : x
  2. Step 2: Convert to fraction form
    79,602.66/119,378.64 = 26,284.71/x
  3. Step 3: Cross multiply
    79,602.66x = 119,378.64 × 26,284.71
  4. Step 4: Simplify right side
    79,602.66x = 3,137,832,932.59
  5. Step 5: Solve for x
    x = 3,137,832,932.59/79,602.66
  6. Step 6: Final answer
    x = 39,418.69

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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.