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Finding the Fourth Proportional to 141,449.96, 212,174.94 and 67,353.32

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Solution

The fourth proportional to 141,449.96, 212,174.94 and 67,353.32 is: 101,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,449.96 : 212,174.94 = 67,353.32 : x
  2. Step 2: Convert to fraction form
    141,449.96/212,174.94 = 67,353.32/x
  3. Step 3: Cross multiply
    141,449.96x = 212,174.94 × 67,353.32
  4. Step 4: Simplify right side
    141,449.96x = 14,290,686,629.80
  5. Step 5: Solve for x
    x = 14,290,686,629.80/141,449.96
  6. Step 6: Final answer
    x = 101,029.98

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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.