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Finding the Fourth Proportional to 79,433.34, 109,614.51 and 43,621.22

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Solution

The fourth proportional to 79,433.34, 109,614.51 and 43,621.22 is: 60,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,433.34 : 109,614.51 = 43,621.22 : x
  2. Step 2: Convert to fraction form
    79,433.34/109,614.51 = 43,621.22/x
  3. Step 3: Cross multiply
    79,433.34x = 109,614.51 × 43,621.22
  4. Step 4: Simplify right side
    79,433.34x = 4,781,518,107.83
  5. Step 5: Solve for x
    x = 4,781,518,107.83/79,433.34
  6. Step 6: Final answer
    x = 60,195.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.