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Finding the Fourth Proportional to 284,336.07, 426,474.84 and 94,775.97

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Solution

The fourth proportional to 284,336.07, 426,474.84 and 94,775.97 is: 142,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,336.07 : 426,474.84 = 94,775.97 : x
  2. Step 2: Convert to fraction form
    284,336.07/426,474.84 = 94,775.97/x
  3. Step 3: Cross multiply
    284,336.07x = 426,474.84 × 94,775.97
  4. Step 4: Simplify right side
    284,336.07x = 40,419,566,641.59
  5. Step 5: Solve for x
    x = 40,419,566,641.59/284,336.07
  6. Step 6: Final answer
    x = 142,154.20

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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.