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Finding the Fourth Proportional to 143,314.70, 214,972.05 and 44,818.70

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Solution

The fourth proportional to 143,314.70, 214,972.05 and 44,818.70 is: 67,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.70 : 214,972.05 = 44,818.70 : x
  2. Step 2: Convert to fraction form
    143,314.70/214,972.05 = 44,818.70/x
  3. Step 3: Cross multiply
    143,314.70x = 214,972.05 × 44,818.70
  4. Step 4: Simplify right side
    143,314.70x = 9,634,767,817.34
  5. Step 5: Solve for x
    x = 9,634,767,817.34/143,314.70
  6. Step 6: Final answer
    x = 67,228.05

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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.