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Finding the Fourth Proportional to 127,754.80, 191,655.43 and 52,834.25

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Solution

The fourth proportional to 127,754.80, 191,655.43 and 52,834.25 is: 79,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,754.80 : 191,655.43 = 52,834.25 : x
  2. Step 2: Convert to fraction form
    127,754.80/191,655.43 = 52,834.25/x
  3. Step 3: Cross multiply
    127,754.80x = 191,655.43 × 52,834.25
  4. Step 4: Simplify right side
    127,754.80x = 10,125,971,249.53
  5. Step 5: Solve for x
    x = 10,125,971,249.53/127,754.80
  6. Step 6: Final answer
    x = 79,260.99

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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.