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Finding the Fourth Proportional to 133,087.60, 199,631.40 and 106,843.60

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Solution

The fourth proportional to 133,087.60, 199,631.40 and 106,843.60 is: 160,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087.60 : 199,631.40 = 106,843.60 : x
  2. Step 2: Convert to fraction form
    133,087.60/199,631.40 = 106,843.60/x
  3. Step 3: Cross multiply
    133,087.60x = 199,631.40 × 106,843.60
  4. Step 4: Simplify right side
    133,087.60x = 21,329,337,449.04
  5. Step 5: Solve for x
    x = 21,329,337,449.04/133,087.60
  6. Step 6: Final answer
    x = 160,265.40

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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.