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Finding the Fourth Proportional to 143,254.50, 214,881.76 and 44,758.50

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Solution

The fourth proportional to 143,254.50, 214,881.76 and 44,758.50 is: 67,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,254.50 : 214,881.76 = 44,758.50 : x
  2. Step 2: Convert to fraction form
    143,254.50/214,881.76 = 44,758.50/x
  3. Step 3: Cross multiply
    143,254.50x = 214,881.76 × 44,758.50
  4. Step 4: Simplify right side
    143,254.50x = 9,617,785,254.96
  5. Step 5: Solve for x
    x = 9,617,785,254.96/143,254.50
  6. Step 6: Final answer
    x = 67,137.75

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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.