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Finding the Fourth Proportional to 273,130.29, 376,912.53 and 158,401.80

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Solution

The fourth proportional to 273,130.29, 376,912.53 and 158,401.80 is: 218,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,130.29 : 376,912.53 = 158,401.80 : x
  2. Step 2: Convert to fraction form
    273,130.29/376,912.53 = 158,401.80/x
  3. Step 3: Cross multiply
    273,130.29x = 376,912.53 × 158,401.80
  4. Step 4: Simplify right side
    273,130.29x = 59,703,623,194.55
  5. Step 5: Solve for x
    x = 59,703,623,194.55/273,130.29
  6. Step 6: Final answer
    x = 218,590.27

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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.