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Finding the Fourth Proportional to 192,572.72, 288,865 and 52,334.32

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Solution

The fourth proportional to 192,572.72, 288,865 and 52,334.32 is: 78,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,572.72 : 288,865 = 52,334.32 : x
  2. Step 2: Convert to fraction form
    192,572.72/288,865 = 52,334.32/x
  3. Step 3: Cross multiply
    192,572.72x = 288,865 × 52,334.32
  4. Step 4: Simplify right side
    192,572.72x = 15,117,553,346.80
  5. Step 5: Solve for x
    x = 15,117,553,346.80/192,572.72
  6. Step 6: Final answer
    x = 78,503.09

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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.