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Finding the Fourth Proportional to 84,529.68, 126,669.42 and 34,549.44

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Solution

The fourth proportional to 84,529.68, 126,669.42 and 34,549.44 is: 51,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.68 : 126,669.42 = 34,549.44 : x
  2. Step 2: Convert to fraction form
    84,529.68/126,669.42 = 34,549.44/x
  3. Step 3: Cross multiply
    84,529.68x = 126,669.42 × 34,549.44
  4. Step 4: Simplify right side
    84,529.68x = 4,376,357,526.12
  5. Step 5: Solve for x
    x = 4,376,357,526.12/84,529.68
  6. Step 6: Final answer
    x = 51,773.03

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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.