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Finding the Fourth Proportional to 143,039.92, 214,530.48 and 58,717.84

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Solution

The fourth proportional to 143,039.92, 214,530.48 and 58,717.84 is: 88,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,039.92 : 214,530.48 = 58,717.84 : x
  2. Step 2: Convert to fraction form
    143,039.92/214,530.48 = 58,717.84/x
  3. Step 3: Cross multiply
    143,039.92x = 214,530.48 × 58,717.84
  4. Step 4: Simplify right side
    143,039.92x = 12,596,766,399.76
  5. Step 5: Solve for x
    x = 12,596,766,399.76/143,039.92
  6. Step 6: Final answer
    x = 88,064.69

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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.