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Finding the Fourth Proportional to 124,362.86, 171,615.74 and 67,773.02

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Solution

The fourth proportional to 124,362.86, 171,615.74 and 67,773.02 is: 93,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,362.86 : 171,615.74 = 67,773.02 : x
  2. Step 2: Convert to fraction form
    124,362.86/171,615.74 = 67,773.02/x
  3. Step 3: Cross multiply
    124,362.86x = 171,615.74 × 67,773.02
  4. Step 4: Simplify right side
    124,362.86x = 11,630,916,979.33
  5. Step 5: Solve for x
    x = 11,630,916,979.33/124,362.86
  6. Step 6: Final answer
    x = 93,524.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.