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Finding the Fourth Proportional to 114,652.08, 171,978.12 and 67,339.44

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Solution

The fourth proportional to 114,652.08, 171,978.12 and 67,339.44 is: 101,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,652.08 : 171,978.12 = 67,339.44 : x
  2. Step 2: Convert to fraction form
    114,652.08/171,978.12 = 67,339.44/x
  3. Step 3: Cross multiply
    114,652.08x = 171,978.12 × 67,339.44
  4. Step 4: Simplify right side
    114,652.08x = 11,580,910,293.05
  5. Step 5: Solve for x
    x = 11,580,910,293.05/114,652.08
  6. Step 6: Final answer
    x = 101,009.16

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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.