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Finding the Fourth Proportional to 127,471.14, 191,202.39 and 48,582.54

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Solution

The fourth proportional to 127,471.14, 191,202.39 and 48,582.54 is: 72,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,471.14 : 191,202.39 = 48,582.54 : x
  2. Step 2: Convert to fraction form
    127,471.14/191,202.39 = 48,582.54/x
  3. Step 3: Cross multiply
    127,471.14x = 191,202.39 × 48,582.54
  4. Step 4: Simplify right side
    127,471.14x = 9,289,097,760.27
  5. Step 5: Solve for x
    x = 9,289,097,760.27/127,471.14
  6. Step 6: Final answer
    x = 72,872.16

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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.