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Finding the Fourth Proportional to 79,309.53, 109,450.22 and 43,501.05

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Solution

The fourth proportional to 79,309.53, 109,450.22 and 43,501.05 is: 60,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,309.53 : 109,450.22 = 43,501.05 : x
  2. Step 2: Convert to fraction form
    79,309.53/109,450.22 = 43,501.05/x
  3. Step 3: Cross multiply
    79,309.53x = 109,450.22 × 43,501.05
  4. Step 4: Simplify right side
    79,309.53x = 4,761,199,275.23
  5. Step 5: Solve for x
    x = 4,761,199,275.23/79,309.53
  6. Step 6: Final answer
    x = 60,033.13

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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.