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Finding the Fourth Proportional to 283,762.29, 425,667.98 and 81,359.29

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Solution

The fourth proportional to 283,762.29, 425,667.98 and 81,359.29 is: 122,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,762.29 : 425,667.98 = 81,359.29 : x
  2. Step 2: Convert to fraction form
    283,762.29/425,667.98 = 81,359.29/x
  3. Step 3: Cross multiply
    283,762.29x = 425,667.98 × 81,359.29
  4. Step 4: Simplify right side
    283,762.29x = 34,632,044,628.53
  5. Step 5: Solve for x
    x = 34,632,044,628.53/283,762.29
  6. Step 6: Final answer
    x = 122,045.97

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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.