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Finding the Fourth Proportional to 265,945.92, 367,006.56 and 145,086.84

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Solution

The fourth proportional to 265,945.92, 367,006.56 and 145,086.84 is: 200,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,945.92 : 367,006.56 = 145,086.84 : x
  2. Step 2: Convert to fraction form
    265,945.92/367,006.56 = 145,086.84/x
  3. Step 3: Cross multiply
    265,945.92x = 367,006.56 × 145,086.84
  4. Step 4: Simplify right side
    265,945.92x = 53,247,822,049.67
  5. Step 5: Solve for x
    x = 53,247,822,049.67/265,945.92
  6. Step 6: Final answer
    x = 200,220.49

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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.