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Finding the Fourth Proportional to 168,783.96, 232,945.02 and 101,703

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Solution

The fourth proportional to 168,783.96, 232,945.02 and 101,703 is: 140,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,783.96 : 232,945.02 = 101,703 : x
  2. Step 2: Convert to fraction form
    168,783.96/232,945.02 = 101,703/x
  3. Step 3: Cross multiply
    168,783.96x = 232,945.02 × 101,703
  4. Step 4: Simplify right side
    168,783.96x = 23,691,207,369.06
  5. Step 5: Solve for x
    x = 23,691,207,369.06/168,783.96
  6. Step 6: Final answer
    x = 140,364.09

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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.