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Finding the Fourth Proportional to 114,343.25, 157,775.04 and 71,871.71

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Solution

The fourth proportional to 114,343.25, 157,775.04 and 71,871.71 is: 99,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,343.25 : 157,775.04 = 71,871.71 : x
  2. Step 2: Convert to fraction form
    114,343.25/157,775.04 = 71,871.71/x
  3. Step 3: Cross multiply
    114,343.25x = 157,775.04 × 71,871.71
  4. Step 4: Simplify right side
    114,343.25x = 11,339,561,131.24
  5. Step 5: Solve for x
    x = 11,339,561,131.24/114,343.25
  6. Step 6: Final answer
    x = 99,171.24

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