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Finding the Fourth Proportional to 126,116.98, 174,042.64 and 69,530.38

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Solution

The fourth proportional to 126,116.98, 174,042.64 and 69,530.38 is: 95,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,116.98 : 174,042.64 = 69,530.38 : x
  2. Step 2: Convert to fraction form
    126,116.98/174,042.64 = 69,530.38/x
  3. Step 3: Cross multiply
    126,116.98x = 174,042.64 × 69,530.38
  4. Step 4: Simplify right side
    126,116.98x = 12,101,250,895.40
  5. Step 5: Solve for x
    x = 12,101,250,895.40/126,116.98
  6. Step 6: Final answer
    x = 95,952.59

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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.