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Finding the Fourth Proportional to 117,263.80, 175,896.06 and 28,517.32

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Solution

The fourth proportional to 117,263.80, 175,896.06 and 28,517.32 is: 42,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,263.80 : 175,896.06 = 28,517.32 : x
  2. Step 2: Convert to fraction form
    117,263.80/175,896.06 = 28,517.32/x
  3. Step 3: Cross multiply
    117,263.80x = 175,896.06 × 28,517.32
  4. Step 4: Simplify right side
    117,263.80x = 5,016,084,229.76
  5. Step 5: Solve for x
    x = 5,016,084,229.76/117,263.80
  6. Step 6: Final answer
    x = 42,776.07

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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.