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Finding the Fourth Proportional to 204,862.42, 307,325.29 and 69,894.89

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Solution

The fourth proportional to 204,862.42, 307,325.29 and 69,894.89 is: 104,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,862.42 : 307,325.29 = 69,894.89 : x
  2. Step 2: Convert to fraction form
    204,862.42/307,325.29 = 69,894.89/x
  3. Step 3: Cross multiply
    204,862.42x = 307,325.29 × 69,894.89
  4. Step 4: Simplify right side
    204,862.42x = 21,480,465,452.67
  5. Step 5: Solve for x
    x = 21,480,465,452.67/204,862.42
  6. Step 6: Final answer
    x = 104,853.13

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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.