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Finding the Fourth Proportional to 79,301.99, 118,947.44 and 37,191.30

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Solution

The fourth proportional to 79,301.99, 118,947.44 and 37,191.30 is: 55,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301.99 : 118,947.44 = 37,191.30 : x
  2. Step 2: Convert to fraction form
    79,301.99/118,947.44 = 37,191.30/x
  3. Step 3: Cross multiply
    79,301.99x = 118,947.44 × 37,191.30
  4. Step 4: Simplify right side
    79,301.99x = 4,423,810,032.08
  5. Step 5: Solve for x
    x = 4,423,810,032.08/79,301.99
  6. Step 6: Final answer
    x = 55,784.35

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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.