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Finding the Fourth Proportional to 186,845.60, 280,268.40 and 160,601.60

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Solution

The fourth proportional to 186,845.60, 280,268.40 and 160,601.60 is: 240,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,845.60 : 280,268.40 = 160,601.60 : x
  2. Step 2: Convert to fraction form
    186,845.60/280,268.40 = 160,601.60/x
  3. Step 3: Cross multiply
    186,845.60x = 280,268.40 × 160,601.60
  4. Step 4: Simplify right side
    186,845.60x = 45,011,553,469.44
  5. Step 5: Solve for x
    x = 45,011,553,469.44/186,845.60
  6. Step 6: Final answer
    x = 240,902.40

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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.