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Finding the Fourth Proportional to 201,891.60, 302,837.40 and 188,672.40

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Solution

The fourth proportional to 201,891.60, 302,837.40 and 188,672.40 is: 283,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,891.60 : 302,837.40 = 188,672.40 : x
  2. Step 2: Convert to fraction form
    201,891.60/302,837.40 = 188,672.40/x
  3. Step 3: Cross multiply
    201,891.60x = 302,837.40 × 188,672.40
  4. Step 4: Simplify right side
    201,891.60x = 57,137,059,067.76
  5. Step 5: Solve for x
    x = 57,137,059,067.76/201,891.60
  6. Step 6: Final answer
    x = 283,008.60

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1.5x scale

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.