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Finding the Fourth Proportional to 192,186.60, 287,502.30 and 168,858.60

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Solution

The fourth proportional to 192,186.60, 287,502.30 and 168,858.60 is: 252,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,186.60 : 287,502.30 = 168,858.60 : x
  2. Step 2: Convert to fraction form
    192,186.60/287,502.30 = 168,858.60/x
  3. Step 3: Cross multiply
    192,186.60x = 287,502.30 × 168,858.60
  4. Step 4: Simplify right side
    192,186.60x = 48,547,235,874.78
  5. Step 5: Solve for x
    x = 48,547,235,874.78/192,186.60
  6. Step 6: Final answer
    x = 252,604.69

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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.