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Finding the Fourth Proportional to 143,148.94, 214,723.44 and 44,652.94

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Solution

The fourth proportional to 143,148.94, 214,723.44 and 44,652.94 is: 66,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,148.94 : 214,723.44 = 44,652.94 : x
  2. Step 2: Convert to fraction form
    143,148.94/214,723.44 = 44,652.94/x
  3. Step 3: Cross multiply
    143,148.94x = 214,723.44 × 44,652.94
  4. Step 4: Simplify right side
    143,148.94x = 9,588,032,346.11
  5. Step 5: Solve for x
    x = 9,588,032,346.11/143,148.94
  6. Step 6: Final answer
    x = 66,979.42

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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.