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Finding the Fourth Proportional to 141,410.60, 212,111.10 and 36,230.60

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Solution

The fourth proportional to 141,410.60, 212,111.10 and 36,230.60 is: 54,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,410.60 : 212,111.10 = 36,230.60 : x
  2. Step 2: Convert to fraction form
    141,410.60/212,111.10 = 36,230.60/x
  3. Step 3: Cross multiply
    141,410.60x = 212,111.10 × 36,230.60
  4. Step 4: Simplify right side
    141,410.60x = 7,684,912,419.66
  5. Step 5: Solve for x
    x = 7,684,912,419.66/141,410.60
  6. Step 6: Final answer
    x = 54,344.67

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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.