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Finding the Fourth Proportional to 142,750.10, 214,125.15 and 44,241.30

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Solution

The fourth proportional to 142,750.10, 214,125.15 and 44,241.30 is: 66,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.10 : 214,125.15 = 44,241.30 : x
  2. Step 2: Convert to fraction form
    142,750.10/214,125.15 = 44,241.30/x
  3. Step 3: Cross multiply
    142,750.10x = 214,125.15 × 44,241.30
  4. Step 4: Simplify right side
    142,750.10x = 9,473,174,998.70
  5. Step 5: Solve for x
    x = 9,473,174,998.70/142,750.10
  6. Step 6: Final answer
    x = 66,361.95

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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.