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Finding the Fourth Proportional to 127,796.70, 191,823.06 and 52,960.80

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Solution

The fourth proportional to 127,796.70, 191,823.06 and 52,960.80 is: 79,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.70 : 191,823.06 = 52,960.80 : x
  2. Step 2: Convert to fraction form
    127,796.70/191,823.06 = 52,960.80/x
  3. Step 3: Cross multiply
    127,796.70x = 191,823.06 × 52,960.80
  4. Step 4: Simplify right side
    127,796.70x = 10,159,102,716.05
  5. Step 5: Solve for x
    x = 10,159,102,716.05/127,796.70
  6. Step 6: Final answer
    x = 79,494.25

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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.