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Finding the Fourth Proportional to 204,155.60, 281,996.36 and 156,987.60

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Solution

The fourth proportional to 204,155.60, 281,996.36 and 156,987.60 is: 216,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.60 : 281,996.36 = 156,987.60 : x
  2. Step 2: Convert to fraction form
    204,155.60/281,996.36 = 156,987.60/x
  3. Step 3: Cross multiply
    204,155.60x = 281,996.36 × 156,987.60
  4. Step 4: Simplify right side
    204,155.60x = 44,269,931,765.14
  5. Step 5: Solve for x
    x = 44,269,931,765.14/204,155.60
  6. Step 6: Final answer
    x = 216,844.07

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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.