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Finding the Fourth Proportional to 168,703.34, 232,812.78 and 92,221.22

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Solution

The fourth proportional to 168,703.34, 232,812.78 and 92,221.22 is: 127,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,703.34 : 232,812.78 = 92,221.22 : x
  2. Step 2: Convert to fraction form
    168,703.34/232,812.78 = 92,221.22/x
  3. Step 3: Cross multiply
    168,703.34x = 232,812.78 × 92,221.22
  4. Step 4: Simplify right side
    168,703.34x = 21,470,277,439.13
  5. Step 5: Solve for x
    x = 21,470,277,439.13/168,703.34
  6. Step 6: Final answer
    x = 127,266.47

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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.