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Finding the Fourth Proportional to 143,258.52, 214,887.76 and 44,762.52

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Solution

The fourth proportional to 143,258.52, 214,887.76 and 44,762.52 is: 67,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.52 : 214,887.76 = 44,762.52 : x
  2. Step 2: Convert to fraction form
    143,258.52/214,887.76 = 44,762.52/x
  3. Step 3: Cross multiply
    143,258.52x = 214,887.76 × 44,762.52
  4. Step 4: Simplify right side
    143,258.52x = 9,618,917,654.76
  5. Step 5: Solve for x
    x = 9,618,917,654.76/143,258.52
  6. Step 6: Final answer
    x = 67,143.77

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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.