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Finding the Fourth Proportional to 142,960.87, 197,200.20 and 94,563.91

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Solution

The fourth proportional to 142,960.87, 197,200.20 and 94,563.91 is: 130,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,960.87 : 197,200.20 = 94,563.91 : x
  2. Step 2: Convert to fraction form
    142,960.87/197,200.20 = 94,563.91/x
  3. Step 3: Cross multiply
    142,960.87x = 197,200.20 × 94,563.91
  4. Step 4: Simplify right side
    142,960.87x = 18,648,021,964.78
  5. Step 5: Solve for x
    x = 18,648,021,964.78/142,960.87
  6. Step 6: Final answer
    x = 130,441.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.