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Finding the Fourth Proportional to 264,037.17, 396,079.06 and 74,499.20

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Solution

The fourth proportional to 264,037.17, 396,079.06 and 74,499.20 is: 111,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,037.17 : 396,079.06 = 74,499.20 : x
  2. Step 2: Convert to fraction form
    264,037.17/396,079.06 = 74,499.20/x
  3. Step 3: Cross multiply
    264,037.17x = 396,079.06 × 74,499.20
  4. Step 4: Simplify right side
    264,037.17x = 29,507,573,106.75
  5. Step 5: Solve for x
    x = 29,507,573,106.75/264,037.17
  6. Step 6: Final answer
    x = 111,755.38

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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.