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Finding the Fourth Proportional to 201,452.30, 302,128.20 and 59,269.28

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Solution

The fourth proportional to 201,452.30, 302,128.20 and 59,269.28 is: 88,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,452.30 : 302,128.20 = 59,269.28 : x
  2. Step 2: Convert to fraction form
    201,452.30/302,128.20 = 59,269.28/x
  3. Step 3: Cross multiply
    201,452.30x = 302,128.20 × 59,269.28
  4. Step 4: Simplify right side
    201,452.30x = 17,906,919,371.06
  5. Step 5: Solve for x
    x = 17,906,919,371.06/201,452.30
  6. Step 6: Final answer
    x = 88,889.13

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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.