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Finding the Fourth Proportional to 121,806.63, 182,741.40 and 37,564.89

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Solution

The fourth proportional to 121,806.63, 182,741.40 and 37,564.89 is: 56,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,806.63 : 182,741.40 = 37,564.89 : x
  2. Step 2: Convert to fraction form
    121,806.63/182,741.40 = 37,564.89/x
  3. Step 3: Cross multiply
    121,806.63x = 182,741.40 × 37,564.89
  4. Step 4: Simplify right side
    121,806.63x = 6,864,660,589.45
  5. Step 5: Solve for x
    x = 6,864,660,589.45/121,806.63
  6. Step 6: Final answer
    x = 56,357.04

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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.