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Finding the Fourth Proportional to 283,715.77, 425,635.95 and 84,051.79

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Solution

The fourth proportional to 283,715.77, 425,635.95 and 84,051.79 is: 126,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,715.77 : 425,635.95 = 84,051.79 : x
  2. Step 2: Convert to fraction form
    283,715.77/425,635.95 = 84,051.79/x
  3. Step 3: Cross multiply
    283,715.77x = 425,635.95 × 84,051.79
  4. Step 4: Simplify right side
    283,715.77x = 35,775,463,485.85
  5. Step 5: Solve for x
    x = 35,775,463,485.85/283,715.77
  6. Step 6: Final answer
    x = 126,096.14

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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.