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Finding the Fourth Proportional to 117,518.40, 176,268.24 and 33,275.28

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Solution

The fourth proportional to 117,518.40, 176,268.24 and 33,275.28 is: 49,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,518.40 : 176,268.24 = 33,275.28 : x
  2. Step 2: Convert to fraction form
    117,518.40/176,268.24 = 33,275.28/x
  3. Step 3: Cross multiply
    117,518.40x = 176,268.24 × 33,275.28
  4. Step 4: Simplify right side
    117,518.40x = 5,865,375,041.11
  5. Step 5: Solve for x
    x = 5,865,375,041.11/117,518.40
  6. Step 6: Final answer
    x = 49,910.27

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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.