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Finding the Fourth Proportional to 127,755.04, 191,655.62 and 52,834.48

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Solution

The fourth proportional to 127,755.04, 191,655.62 and 52,834.48 is: 79,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,755.04 : 191,655.62 = 52,834.48 : x
  2. Step 2: Convert to fraction form
    127,755.04/191,655.62 = 52,834.48/x
  3. Step 3: Cross multiply
    127,755.04x = 191,655.62 × 52,834.48
  4. Step 4: Simplify right side
    127,755.04x = 10,126,025,021.78
  5. Step 5: Solve for x
    x = 10,126,025,021.78/127,755.04
  6. Step 6: Final answer
    x = 79,261.26

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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.