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Finding the Fourth Proportional to 222,874.88, 307,492.50 and 127,313.90

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Solution

The fourth proportional to 222,874.88, 307,492.50 and 127,313.90 is: 175,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,874.88 : 307,492.50 = 127,313.90 : x
  2. Step 2: Convert to fraction form
    222,874.88/307,492.50 = 127,313.90/x
  3. Step 3: Cross multiply
    222,874.88x = 307,492.50 × 127,313.90
  4. Step 4: Simplify right side
    222,874.88x = 39,148,069,395.75
  5. Step 5: Solve for x
    x = 39,148,069,395.75/222,874.88
  6. Step 6: Final answer
    x = 175,650.43

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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.