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Finding the Fourth Proportional to 126,954.66, 190,400.64 and 52,096.08

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Solution

The fourth proportional to 126,954.66, 190,400.64 and 52,096.08 is: 78,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,954.66 : 190,400.64 = 52,096.08 : x
  2. Step 2: Convert to fraction form
    126,954.66/190,400.64 = 52,096.08/x
  3. Step 3: Cross multiply
    126,954.66x = 190,400.64 × 52,096.08
  4. Step 4: Simplify right side
    126,954.66x = 9,919,126,973.49
  5. Step 5: Solve for x
    x = 9,919,126,973.49/126,954.66
  6. Step 6: Final answer
    x = 78,131.26

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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.