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Finding the Fourth Proportional to 283,580.94, 425,410.30 and 125,805.90

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Solution

The fourth proportional to 283,580.94, 425,410.30 and 125,805.90 is: 188,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,580.94 : 425,410.30 = 125,805.90 : x
  2. Step 2: Convert to fraction form
    283,580.94/425,410.30 = 125,805.90/x
  3. Step 3: Cross multiply
    283,580.94x = 425,410.30 × 125,805.90
  4. Step 4: Simplify right side
    283,580.94x = 53,519,125,660.77
  5. Step 5: Solve for x
    x = 53,519,125,660.77/283,580.94
  6. Step 6: Final answer
    x = 188,726.10

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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.