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Finding the Fourth Proportional to 201,572.02, 302,401.78 and 61,327

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Solution

The fourth proportional to 201,572.02, 302,401.78 and 61,327 is: 92,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,572.02 : 302,401.78 = 61,327 : x
  2. Step 2: Convert to fraction form
    201,572.02/302,401.78 = 61,327/x
  3. Step 3: Cross multiply
    201,572.02x = 302,401.78 × 61,327
  4. Step 4: Simplify right side
    201,572.02x = 18,545,393,962.06
  5. Step 5: Solve for x
    x = 18,545,393,962.06/201,572.02
  6. Step 6: Final answer
    x = 92,003.81

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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.