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Finding the Fourth Proportional to 302,494.43, 453,741.80 and 124,806.15

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Solution

The fourth proportional to 302,494.43, 453,741.80 and 124,806.15 is: 187,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,494.43 : 453,741.80 = 124,806.15 : x
  2. Step 2: Convert to fraction form
    302,494.43/453,741.80 = 124,806.15/x
  3. Step 3: Cross multiply
    302,494.43x = 453,741.80 × 124,806.15
  4. Step 4: Simplify right side
    302,494.43x = 56,629,766,528.04
  5. Step 5: Solve for x
    x = 56,629,766,528.04/302,494.43
  6. Step 6: Final answer
    x = 187,209.29

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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.