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Finding the Fourth Proportional to 192,004.80, 288,007.20 and 58,905.60

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Solution

The fourth proportional to 192,004.80, 288,007.20 and 58,905.60 is: 88,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,004.80 : 288,007.20 = 58,905.60 : x
  2. Step 2: Convert to fraction form
    192,004.80/288,007.20 = 58,905.60/x
  3. Step 3: Cross multiply
    192,004.80x = 288,007.20 × 58,905.60
  4. Step 4: Simplify right side
    192,004.80x = 16,965,236,920.32
  5. Step 5: Solve for x
    x = 16,965,236,920.32/192,004.80
  6. Step 6: Final answer
    x = 88,358.40

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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.