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Finding the Fourth Proportional to 283,749.80, 425,430.30 and 134,061.80

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Solution

The fourth proportional to 283,749.80, 425,430.30 and 134,061.80 is: 201,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,749.80 : 425,430.30 = 134,061.80 : x
  2. Step 2: Convert to fraction form
    283,749.80/425,430.30 = 134,061.80/x
  3. Step 3: Cross multiply
    283,749.80x = 425,430.30 × 134,061.80
  4. Step 4: Simplify right side
    283,749.80x = 57,033,951,792.54
  5. Step 5: Solve for x
    x = 57,033,951,792.54/283,749.80
  6. Step 6: Final answer
    x = 201,000.85

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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.