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Finding the Fourth Proportional to 156,019.08, 234,027.90 and 37,690.08

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Solution

The fourth proportional to 156,019.08, 234,027.90 and 37,690.08 is: 56,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,019.08 : 234,027.90 = 37,690.08 : x
  2. Step 2: Convert to fraction form
    156,019.08/234,027.90 = 37,690.08/x
  3. Step 3: Cross multiply
    156,019.08x = 234,027.90 × 37,690.08
  4. Step 4: Simplify right side
    156,019.08x = 8,820,530,273.23
  5. Step 5: Solve for x
    x = 8,820,530,273.23/156,019.08
  6. Step 6: Final answer
    x = 56,534.95

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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.