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Finding the Fourth Proportional to 79,325.80, 118,794.30 and 52,887.40

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Solution

The fourth proportional to 79,325.80, 118,794.30 and 52,887.40 is: 79,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,325.80 : 118,794.30 = 52,887.40 : x
  2. Step 2: Convert to fraction form
    79,325.80/118,794.30 = 52,887.40/x
  3. Step 3: Cross multiply
    79,325.80x = 118,794.30 × 52,887.40
  4. Step 4: Simplify right side
    79,325.80x = 6,282,721,661.82
  5. Step 5: Solve for x
    x = 6,282,721,661.82/79,325.80
  6. Step 6: Final answer
    x = 79,201.49

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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.