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Finding the Fourth Proportional to 200,818.74, 301,230.28 and 60,578.58

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Solution

The fourth proportional to 200,818.74, 301,230.28 and 60,578.58 is: 90,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,818.74 : 301,230.28 = 60,578.58 : x
  2. Step 2: Convert to fraction form
    200,818.74/301,230.28 = 60,578.58/x
  3. Step 3: Cross multiply
    200,818.74x = 301,230.28 × 60,578.58
  4. Step 4: Simplify right side
    200,818.74x = 18,248,102,615.40
  5. Step 5: Solve for x
    x = 18,248,102,615.40/200,818.74
  6. Step 6: Final answer
    x = 90,868.52

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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.