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Finding the Fourth Proportional to 212,600.34, 318,719.48 and 94,207.10

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Solution

The fourth proportional to 212,600.34, 318,719.48 and 94,207.10 is: 141,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,600.34 : 318,719.48 = 94,207.10 : x
  2. Step 2: Convert to fraction form
    212,600.34/318,719.48 = 94,207.10/x
  3. Step 3: Cross multiply
    212,600.34x = 318,719.48 × 94,207.10
  4. Step 4: Simplify right side
    212,600.34x = 30,025,635,859.68
  5. Step 5: Solve for x
    x = 30,025,635,859.68/212,600.34
  6. Step 6: Final answer
    x = 141,230.42

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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.