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Finding the Fourth Proportional to 264,315.06, 396,422.13 and 74,773.86

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Solution

The fourth proportional to 264,315.06, 396,422.13 and 74,773.86 is: 112,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,315.06 : 396,422.13 = 74,773.86 : x
  2. Step 2: Convert to fraction form
    264,315.06/396,422.13 = 74,773.86/x
  3. Step 3: Cross multiply
    264,315.06x = 396,422.13 × 74,773.86
  4. Step 4: Simplify right side
    264,315.06x = 29,642,012,849.52
  5. Step 5: Solve for x
    x = 29,642,012,849.52/264,315.06
  6. Step 6: Final answer
    x = 112,146.52

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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.