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Finding the Fourth Proportional to 117,859.28, 176,790.58 and 33,619.46

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Solution

The fourth proportional to 117,859.28, 176,790.58 and 33,619.46 is: 50,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,859.28 : 176,790.58 = 33,619.46 : x
  2. Step 2: Convert to fraction form
    117,859.28/176,790.58 = 33,619.46/x
  3. Step 3: Cross multiply
    117,859.28x = 176,790.58 × 33,619.46
  4. Step 4: Simplify right side
    117,859.28x = 5,943,602,864.69
  5. Step 5: Solve for x
    x = 5,943,602,864.69/117,859.28
  6. Step 6: Final answer
    x = 50,429.66

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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.