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Finding the Fourth Proportional to 192,228.32, 288,342.50 and 57,294.48

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Solution

The fourth proportional to 192,228.32, 288,342.50 and 57,294.48 is: 85,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,228.32 : 288,342.50 = 57,294.48 : x
  2. Step 2: Convert to fraction form
    192,228.32/288,342.50 = 57,294.48/x
  3. Step 3: Cross multiply
    192,228.32x = 288,342.50 × 57,294.48
  4. Step 4: Simplify right side
    192,228.32x = 16,520,433,599.40
  5. Step 5: Solve for x
    x = 16,520,433,599.40/192,228.32
  6. Step 6: Final answer
    x = 85,941.73

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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.