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Finding the Fourth Proportional to 117,757.71, 162,521.28 and 70,037.37

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Solution

The fourth proportional to 117,757.71, 162,521.28 and 70,037.37 is: 96,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,757.71 : 162,521.28 = 70,037.37 : x
  2. Step 2: Convert to fraction form
    117,757.71/162,521.28 = 70,037.37/x
  3. Step 3: Cross multiply
    117,757.71x = 162,521.28 × 70,037.37
  4. Step 4: Simplify right side
    117,757.71x = 11,382,563,020.23
  5. Step 5: Solve for x
    x = 11,382,563,020.23/117,757.71
  6. Step 6: Final answer
    x = 96,660.87

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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.