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Finding the Fourth Proportional to 126,758.96, 190,076.93 and 63,551.93

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Solution

The fourth proportional to 126,758.96, 190,076.93 and 63,551.93 is: 95,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,758.96 : 190,076.93 = 63,551.93 : x
  2. Step 2: Convert to fraction form
    126,758.96/190,076.93 = 63,551.93/x
  3. Step 3: Cross multiply
    126,758.96x = 190,076.93 × 63,551.93
  4. Step 4: Simplify right side
    126,758.96x = 12,079,754,720.15
  5. Step 5: Solve for x
    x = 12,079,754,720.15/126,758.96
  6. Step 6: Final answer
    x = 95,297.05

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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.