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Finding the Fourth Proportional to 192,167.60, 287,473.80 and 168,839.60

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Solution

The fourth proportional to 192,167.60, 287,473.80 and 168,839.60 is: 252,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,167.60 : 287,473.80 = 168,839.60 : x
  2. Step 2: Convert to fraction form
    192,167.60/287,473.80 = 168,839.60/x
  3. Step 3: Cross multiply
    192,167.60x = 287,473.80 × 168,839.60
  4. Step 4: Simplify right side
    192,167.60x = 48,536,961,402.48
  5. Step 5: Solve for x
    x = 48,536,961,402.48/192,167.60
  6. Step 6: Final answer
    x = 252,576.20

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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.