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Finding the Fourth Proportional to 284,073.72, 426,273.39 and 115,562.94

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Solution

The fourth proportional to 284,073.72, 426,273.39 and 115,562.94 is: 173,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,073.72 : 426,273.39 = 115,562.94 : x
  2. Step 2: Convert to fraction form
    284,073.72/426,273.39 = 115,562.94/x
  3. Step 3: Cross multiply
    284,073.72x = 426,273.39 × 115,562.94
  4. Step 4: Simplify right side
    284,073.72x = 49,261,406,192.17
  5. Step 5: Solve for x
    x = 49,261,406,192.17/284,073.72
  6. Step 6: Final answer
    x = 173,410.64

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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.