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Finding the Fourth Proportional to 192,077.40, 288,116.10 and 152,419.80

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Solution

The fourth proportional to 192,077.40, 288,116.10 and 152,419.80 is: 228,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,077.40 : 288,116.10 = 152,419.80 : x
  2. Step 2: Convert to fraction form
    192,077.40/288,116.10 = 152,419.80/x
  3. Step 3: Cross multiply
    192,077.40x = 288,116.10 × 152,419.80
  4. Step 4: Simplify right side
    192,077.40x = 43,914,598,338.78
  5. Step 5: Solve for x
    x = 43,914,598,338.78/192,077.40
  6. Step 6: Final answer
    x = 228,629.70

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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.