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Finding the Fourth Proportional to 126,838.62, 190,120.37 and 63,506.01

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Solution

The fourth proportional to 126,838.62, 190,120.37 and 63,506.01 is: 95,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.62 : 190,120.37 = 63,506.01 : x
  2. Step 2: Convert to fraction form
    126,838.62/190,120.37 = 63,506.01/x
  3. Step 3: Cross multiply
    126,838.62x = 190,120.37 × 63,506.01
  4. Step 4: Simplify right side
    126,838.62x = 12,073,786,118.42
  5. Step 5: Solve for x
    x = 12,073,786,118.42/126,838.62
  6. Step 6: Final answer
    x = 95,190.14

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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.