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Finding the Fourth Proportional to 283,533.94, 425,379.73 and 123,623.85

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Solution

The fourth proportional to 283,533.94, 425,379.73 and 123,623.85 is: 185,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,533.94 : 425,379.73 = 123,623.85 : x
  2. Step 2: Convert to fraction form
    283,533.94/425,379.73 = 123,623.85/x
  3. Step 3: Cross multiply
    283,533.94x = 425,379.73 × 123,623.85
  4. Step 4: Simplify right side
    283,533.94x = 52,587,078,030.33
  5. Step 5: Solve for x
    x = 52,587,078,030.33/283,533.94
  6. Step 6: Final answer
    x = 185,470.14

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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.