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Finding the Fourth Proportional to 201,333.25, 302,001.70 and 61,091.88

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Solution

The fourth proportional to 201,333.25, 302,001.70 and 61,091.88 is: 91,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,333.25 : 302,001.70 = 61,091.88 : x
  2. Step 2: Convert to fraction form
    201,333.25/302,001.70 = 61,091.88/x
  3. Step 3: Cross multiply
    201,333.25x = 302,001.70 × 61,091.88
  4. Step 4: Simplify right side
    201,333.25x = 18,449,851,616.20
  5. Step 5: Solve for x
    x = 18,449,851,616.20/201,333.25
  6. Step 6: Final answer
    x = 91,638.37

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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.