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Finding the Fourth Proportional to 121,893.76, 182,845.43 and 37,646.42

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Solution

The fourth proportional to 121,893.76, 182,845.43 and 37,646.42 is: 56,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,893.76 : 182,845.43 = 37,646.42 : x
  2. Step 2: Convert to fraction form
    121,893.76/182,845.43 = 37,646.42/x
  3. Step 3: Cross multiply
    121,893.76x = 182,845.43 × 37,646.42
  4. Step 4: Simplify right side
    121,893.76x = 6,883,476,131.84
  5. Step 5: Solve for x
    x = 6,883,476,131.84/121,893.76
  6. Step 6: Final answer
    x = 56,471.11

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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.