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Finding the Fourth Proportional to 73,346.72, 110,029.36 and 20,756.22

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Solution

The fourth proportional to 73,346.72, 110,029.36 and 20,756.22 is: 31,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,346.72 : 110,029.36 = 20,756.22 : x
  2. Step 2: Convert to fraction form
    73,346.72/110,029.36 = 20,756.22/x
  3. Step 3: Cross multiply
    73,346.72x = 110,029.36 × 20,756.22
  4. Step 4: Simplify right side
    73,346.72x = 2,283,793,602.62
  5. Step 5: Solve for x
    x = 2,283,793,602.62/73,346.72
  6. Step 6: Final answer
    x = 31,136.96

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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.