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Finding the Fourth Proportional to 202,341.72, 303,512.40 and 60,186.42

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Solution

The fourth proportional to 202,341.72, 303,512.40 and 60,186.42 is: 90,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,341.72 : 303,512.40 = 60,186.42 : x
  2. Step 2: Convert to fraction form
    202,341.72/303,512.40 = 60,186.42/x
  3. Step 3: Cross multiply
    202,341.72x = 303,512.40 × 60,186.42
  4. Step 4: Simplify right side
    202,341.72x = 18,267,324,781.61
  5. Step 5: Solve for x
    x = 18,267,324,781.61/202,341.72
  6. Step 6: Final answer
    x = 90,279.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.