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Finding the Fourth Proportional to 113,955.79, 170,933.81 and 29,715.88

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Solution

The fourth proportional to 113,955.79, 170,933.81 and 29,715.88 is: 44,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,955.79 : 170,933.81 = 29,715.88 : x
  2. Step 2: Convert to fraction form
    113,955.79/170,933.81 = 29,715.88/x
  3. Step 3: Cross multiply
    113,955.79x = 170,933.81 × 29,715.88
  4. Step 4: Simplify right side
    113,955.79x = 5,079,448,585.90
  5. Step 5: Solve for x
    x = 5,079,448,585.90/113,955.79
  6. Step 6: Final answer
    x = 44,573.85

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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.