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Finding the Fourth Proportional to 192,164.60, 288,938.10 and 161,751.80

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Solution

The fourth proportional to 192,164.60, 288,938.10 and 161,751.80 is: 243,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,164.60 : 288,938.10 = 161,751.80 : x
  2. Step 2: Convert to fraction form
    192,164.60/288,938.10 = 161,751.80/x
  3. Step 3: Cross multiply
    192,164.60x = 288,938.10 × 161,751.80
  4. Step 4: Simplify right side
    192,164.60x = 46,736,257,763.58
  5. Step 5: Solve for x
    x = 46,736,257,763.58/192,164.60
  6. Step 6: Final answer
    x = 243,209.51

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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.