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Finding the Fourth Proportional to 143,252.50, 214,878.76 and 44,756.50

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Solution

The fourth proportional to 143,252.50, 214,878.76 and 44,756.50 is: 67,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,252.50 : 214,878.76 = 44,756.50 : x
  2. Step 2: Convert to fraction form
    143,252.50/214,878.76 = 44,756.50/x
  3. Step 3: Cross multiply
    143,252.50x = 214,878.76 × 44,756.50
  4. Step 4: Simplify right side
    143,252.50x = 9,617,221,221.94
  5. Step 5: Solve for x
    x = 9,617,221,221.94/143,252.50
  6. Step 6: Final answer
    x = 67,134.75

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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.