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Finding the Fourth Proportional to 126,791.61, 174,977.87 and 70,202.98

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Solution

The fourth proportional to 126,791.61, 174,977.87 and 70,202.98 is: 96,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,791.61 : 174,977.87 = 70,202.98 : x
  2. Step 2: Convert to fraction form
    126,791.61/174,977.87 = 70,202.98/x
  3. Step 3: Cross multiply
    126,791.61x = 174,977.87 × 70,202.98
  4. Step 4: Simplify right side
    126,791.61x = 12,283,967,908.05
  5. Step 5: Solve for x
    x = 12,283,967,908.05/126,791.61
  6. Step 6: Final answer
    x = 96,883.13

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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.