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Finding the Fourth Proportional to 119,067.92, 178,575.96 and 59,840.72

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Solution

The fourth proportional to 119,067.92, 178,575.96 and 59,840.72 is: 89,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,067.92 : 178,575.96 = 59,840.72 : x
  2. Step 2: Convert to fraction form
    119,067.92/178,575.96 = 59,840.72/x
  3. Step 3: Cross multiply
    119,067.92x = 178,575.96 × 59,840.72
  4. Step 4: Simplify right side
    119,067.92x = 10,686,114,021.09
  5. Step 5: Solve for x
    x = 10,686,114,021.09/119,067.92
  6. Step 6: Final answer
    x = 89,748.05

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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.