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Finding the Fourth Proportional to 139,358.70, 192,124.58 and 95,749.92

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Solution

The fourth proportional to 139,358.70, 192,124.58 and 95,749.92 is: 132,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,358.70 : 192,124.58 = 95,749.92 : x
  2. Step 2: Convert to fraction form
    139,358.70/192,124.58 = 95,749.92/x
  3. Step 3: Cross multiply
    139,358.70x = 192,124.58 × 95,749.92
  4. Step 4: Simplify right side
    139,358.70x = 18,395,912,686.28
  5. Step 5: Solve for x
    x = 18,395,912,686.28/139,358.70
  6. Step 6: Final answer
    x = 132,004.05

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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.