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Finding the Fourth Proportional to 131,377.37, 181,247.10 and 97,004.48

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Solution

The fourth proportional to 131,377.37, 181,247.10 and 97,004.48 is: 133,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,377.37 : 181,247.10 = 97,004.48 : x
  2. Step 2: Convert to fraction form
    131,377.37/181,247.10 = 97,004.48/x
  3. Step 3: Cross multiply
    131,377.37x = 181,247.10 × 97,004.48
  4. Step 4: Simplify right side
    131,377.37x = 17,581,780,687.01
  5. Step 5: Solve for x
    x = 17,581,780,687.01/131,377.37
  6. Step 6: Final answer
    x = 133,826.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.