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Finding the Fourth Proportional to 73,437.40, 110,172.30 and 23,519.80

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Solution

The fourth proportional to 73,437.40, 110,172.30 and 23,519.80 is: 35,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,437.40 : 110,172.30 = 23,519.80 : x
  2. Step 2: Convert to fraction form
    73,437.40/110,172.30 = 23,519.80/x
  3. Step 3: Cross multiply
    73,437.40x = 110,172.30 × 23,519.80
  4. Step 4: Simplify right side
    73,437.40x = 2,591,230,461.54
  5. Step 5: Solve for x
    x = 2,591,230,461.54/73,437.40
  6. Step 6: Final answer
    x = 35,284.89

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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.