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Finding the Fourth Proportional to 210,492.03, 315,593.91 and 75,553.11

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Solution

The fourth proportional to 210,492.03, 315,593.91 and 75,553.11 is: 113,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,492.03 : 315,593.91 = 75,553.11 : x
  2. Step 2: Convert to fraction form
    210,492.03/315,593.91 = 75,553.11/x
  3. Step 3: Cross multiply
    210,492.03x = 315,593.91 × 75,553.11
  4. Step 4: Simplify right side
    210,492.03x = 23,844,101,397.56
  5. Step 5: Solve for x
    x = 23,844,101,397.56/210,492.03
  6. Step 6: Final answer
    x = 113,277.93

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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.