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Finding the Fourth Proportional to 126,048.84, 173,939.20 and 69,460.21

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Solution

The fourth proportional to 126,048.84, 173,939.20 and 69,460.21 is: 95,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048.84 : 173,939.20 = 69,460.21 : x
  2. Step 2: Convert to fraction form
    126,048.84/173,939.20 = 69,460.21/x
  3. Step 3: Cross multiply
    126,048.84x = 173,939.20 × 69,460.21
  4. Step 4: Simplify right side
    126,048.84x = 12,081,853,359.23
  5. Step 5: Solve for x
    x = 12,081,853,359.23/126,048.84
  6. Step 6: Final answer
    x = 95,850.57

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1.5x scale

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.