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Finding the Fourth Proportional to 104,565.29, 156,848.46 and 25,679.54

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Solution

The fourth proportional to 104,565.29, 156,848.46 and 25,679.54 is: 38,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,565.29 : 156,848.46 = 25,679.54 : x
  2. Step 2: Convert to fraction form
    104,565.29/156,848.46 = 25,679.54/x
  3. Step 3: Cross multiply
    104,565.29x = 156,848.46 × 25,679.54
  4. Step 4: Simplify right side
    104,565.29x = 4,027,796,302.51
  5. Step 5: Solve for x
    x = 4,027,796,302.51/104,565.29
  6. Step 6: Final answer
    x = 38,519.44

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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.