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Finding the Fourth Proportional to 159,893.92, 239,799.06 and 47,543.86

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Solution

The fourth proportional to 159,893.92, 239,799.06 and 47,543.86 is: 71,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,893.92 : 239,799.06 = 47,543.86 : x
  2. Step 2: Convert to fraction form
    159,893.92/239,799.06 = 47,543.86/x
  3. Step 3: Cross multiply
    159,893.92x = 239,799.06 × 47,543.86
  4. Step 4: Simplify right side
    159,893.92x = 11,400,972,936.77
  5. Step 5: Solve for x
    x = 11,400,972,936.77/159,893.92
  6. Step 6: Final answer
    x = 71,303.35

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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.