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Finding the Fourth Proportional to 167,572, 231,253.80 and 91,096.24

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Solution

The fourth proportional to 167,572, 231,253.80 and 91,096.24 is: 125,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,572 : 231,253.80 = 91,096.24 : x
  2. Step 2: Convert to fraction form
    167,572/231,253.80 = 91,096.24/x
  3. Step 3: Cross multiply
    167,572x = 231,253.80 × 91,096.24
  4. Step 4: Simplify right side
    167,572x = 21,066,351,665.71
  5. Step 5: Solve for x
    x = 21,066,351,665.71/167,572
  6. Step 6: Final answer
    x = 125,715.22

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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.