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Finding the Fourth Proportional to 126,046.34, 173,935.76 and 69,457.71

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Solution

The fourth proportional to 126,046.34, 173,935.76 and 69,457.71 is: 95,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,046.34 : 173,935.76 = 69,457.71 : x
  2. Step 2: Convert to fraction form
    126,046.34/173,935.76 = 69,457.71/x
  3. Step 3: Cross multiply
    126,046.34x = 173,935.76 × 69,457.71
  4. Step 4: Simplify right side
    126,046.34x = 12,081,179,229.42
  5. Step 5: Solve for x
    x = 12,081,179,229.42/126,046.34
  6. Step 6: Final answer
    x = 95,847.13

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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.