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Finding the Fourth Proportional to 156,048, 234,016.63 and 56,181.37

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Solution

The fourth proportional to 156,048, 234,016.63 and 56,181.37 is: 84,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,048 : 234,016.63 = 56,181.37 : x
  2. Step 2: Convert to fraction form
    156,048/234,016.63 = 56,181.37/x
  3. Step 3: Cross multiply
    156,048x = 234,016.63 × 56,181.37
  4. Step 4: Simplify right side
    156,048x = 13,147,374,876.18
  5. Step 5: Solve for x
    x = 13,147,374,876.18/156,048
  6. Step 6: Final answer
    x = 84,252.12

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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.