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Finding the Fourth Proportional to 201,351.76, 302,019.96 and 61,104.72

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Solution

The fourth proportional to 201,351.76, 302,019.96 and 61,104.72 is: 91,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,351.76 : 302,019.96 = 61,104.72 : x
  2. Step 2: Convert to fraction form
    201,351.76/302,019.96 = 61,104.72/x
  3. Step 3: Cross multiply
    201,351.76x = 302,019.96 × 61,104.72
  4. Step 4: Simplify right side
    201,351.76x = 18,454,845,090.21
  5. Step 5: Solve for x
    x = 18,454,845,090.21/201,351.76
  6. Step 6: Final answer
    x = 91,654.75

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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.