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Finding the Fourth Proportional to 179,753.52, 248,081.80 and 103,272.44

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Solution

The fourth proportional to 179,753.52, 248,081.80 and 103,272.44 is: 142,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,753.52 : 248,081.80 = 103,272.44 : x
  2. Step 2: Convert to fraction form
    179,753.52/248,081.80 = 103,272.44/x
  3. Step 3: Cross multiply
    179,753.52x = 248,081.80 × 103,272.44
  4. Step 4: Simplify right side
    179,753.52x = 25,620,012,805.59
  5. Step 5: Solve for x
    x = 25,620,012,805.59/179,753.52
  6. Step 6: Final answer
    x = 142,528.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.