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Finding the Fourth Proportional to 253,823.22, 350,253.72 and 146,401.56

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Solution

The fourth proportional to 253,823.22, 350,253.72 and 146,401.56 is: 202,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,823.22 : 350,253.72 = 146,401.56 : x
  2. Step 2: Convert to fraction form
    253,823.22/350,253.72 = 146,401.56/x
  3. Step 3: Cross multiply
    253,823.22x = 350,253.72 × 146,401.56
  4. Step 4: Simplify right side
    253,823.22x = 51,277,691,003.80
  5. Step 5: Solve for x
    x = 51,277,691,003.80/253,823.22
  6. Step 6: Final answer
    x = 202,021.28

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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.