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Finding the Fourth Proportional to 188,959.55, 260,754.34 and 117,338.04

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Solution

The fourth proportional to 188,959.55, 260,754.34 and 117,338.04 is: 161,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,959.55 : 260,754.34 = 117,338.04 : x
  2. Step 2: Convert to fraction form
    188,959.55/260,754.34 = 117,338.04/x
  3. Step 3: Cross multiply
    188,959.55x = 260,754.34 × 117,338.04
  4. Step 4: Simplify right side
    188,959.55x = 30,596,403,177.09
  5. Step 5: Solve for x
    x = 30,596,403,177.09/188,959.55
  6. Step 6: Final answer
    x = 161,920.39

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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.