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Finding the Fourth Proportional to 201,385.62, 302,091.78 and 59,243.64

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Solution

The fourth proportional to 201,385.62, 302,091.78 and 59,243.64 is: 88,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,385.62 : 302,091.78 = 59,243.64 : x
  2. Step 2: Convert to fraction form
    201,385.62/302,091.78 = 59,243.64/x
  3. Step 3: Cross multiply
    201,385.62x = 302,091.78 × 59,243.64
  4. Step 4: Simplify right side
    201,385.62x = 17,897,016,661.28
  5. Step 5: Solve for x
    x = 17,897,016,661.28/201,385.62
  6. Step 6: Final answer
    x = 88,869.39

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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.