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Finding the Fourth Proportional to 159,874.32, 239,784.60 and 58,651.44

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Solution

The fourth proportional to 159,874.32, 239,784.60 and 58,651.44 is: 87,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,874.32 : 239,784.60 = 58,651.44 : x
  2. Step 2: Convert to fraction form
    159,874.32/239,784.60 = 58,651.44/x
  3. Step 3: Cross multiply
    159,874.32x = 239,784.60 × 58,651.44
  4. Step 4: Simplify right side
    159,874.32x = 14,063,712,079.82
  5. Step 5: Solve for x
    x = 14,063,712,079.82/159,874.32
  6. Step 6: Final answer
    x = 87,967.30

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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.