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Finding the Fourth Proportional to 121,662.92, 182,494.82 and 37,422.52

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Solution

The fourth proportional to 121,662.92, 182,494.82 and 37,422.52 is: 56,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,662.92 : 182,494.82 = 37,422.52 : x
  2. Step 2: Convert to fraction form
    121,662.92/182,494.82 = 37,422.52/x
  3. Step 3: Cross multiply
    121,662.92x = 182,494.82 × 37,422.52
  4. Step 4: Simplify right side
    121,662.92x = 6,829,416,051.35
  5. Step 5: Solve for x
    x = 6,829,416,051.35/121,662.92
  6. Step 6: Final answer
    x = 56,133.92

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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.