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Finding the Fourth Proportional to 192,161.60, 287,464.80 and 168,833.60

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Solution

The fourth proportional to 192,161.60, 287,464.80 and 168,833.60 is: 252,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,161.60 : 287,464.80 = 168,833.60 : x
  2. Step 2: Convert to fraction form
    192,161.60/287,464.80 = 168,833.60/x
  3. Step 3: Cross multiply
    192,161.60x = 287,464.80 × 168,833.60
  4. Step 4: Simplify right side
    192,161.60x = 48,533,717,057.28
  5. Step 5: Solve for x
    x = 48,533,717,057.28/192,161.60
  6. Step 6: Final answer
    x = 252,567.20

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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.