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Finding the Fourth Proportional to 79,296.87, 118,958.64 and 39,317.83

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Solution

The fourth proportional to 79,296.87, 118,958.64 and 39,317.83 is: 58,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296.87 : 118,958.64 = 39,317.83 : x
  2. Step 2: Convert to fraction form
    79,296.87/118,958.64 = 39,317.83/x
  3. Step 3: Cross multiply
    79,296.87x = 118,958.64 × 39,317.83
  4. Step 4: Simplify right side
    79,296.87x = 4,677,195,510.20
  5. Step 5: Solve for x
    x = 4,677,195,510.20/79,296.87
  6. Step 6: Final answer
    x = 58,983.35

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1.5x scale

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.