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Finding the Fourth Proportional to 126,552.66, 174,641.25 and 69,964.98

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Solution

The fourth proportional to 126,552.66, 174,641.25 and 69,964.98 is: 96,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552.66 : 174,641.25 = 69,964.98 : x
  2. Step 2: Convert to fraction form
    126,552.66/174,641.25 = 69,964.98/x
  3. Step 3: Cross multiply
    126,552.66x = 174,641.25 × 69,964.98
  4. Step 4: Simplify right side
    126,552.66x = 12,218,771,563.43
  5. Step 5: Solve for x
    x = 12,218,771,563.43/126,552.66
  6. Step 6: Final answer
    x = 96,550.89

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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.