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Finding the Fourth Proportional to 201,659.63, 302,494.91 and 61,418.25

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Solution

The fourth proportional to 201,659.63, 302,494.91 and 61,418.25 is: 92,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,659.63 : 302,494.91 = 61,418.25 : x
  2. Step 2: Convert to fraction form
    201,659.63/302,494.91 = 61,418.25/x
  3. Step 3: Cross multiply
    201,659.63x = 302,494.91 × 61,418.25
  4. Step 4: Simplify right side
    201,659.63x = 18,578,707,699.02
  5. Step 5: Solve for x
    x = 18,578,707,699.02/201,659.63
  6. Step 6: Final answer
    x = 92,129.04

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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.