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Finding the Fourth Proportional to 79,190.01, 119,384.17 and 74,903.49

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Solution

The fourth proportional to 79,190.01, 119,384.17 and 74,903.49 is: 112,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.01 : 119,384.17 = 74,903.49 : x
  2. Step 2: Convert to fraction form
    79,190.01/119,384.17 = 74,903.49/x
  3. Step 3: Cross multiply
    79,190.01x = 119,384.17 × 74,903.49
  4. Step 4: Simplify right side
    79,190.01x = 8,942,290,796.49
  5. Step 5: Solve for x
    x = 8,942,290,796.49/79,190.01
  6. Step 6: Final answer
    x = 112,921.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.