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Finding the Fourth Proportional to 201,488.58, 302,167.62 and 66,522.33

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Solution

The fourth proportional to 201,488.58, 302,167.62 and 66,522.33 is: 99,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,488.58 : 302,167.62 = 66,522.33 : x
  2. Step 2: Convert to fraction form
    201,488.58/302,167.62 = 66,522.33/x
  3. Step 3: Cross multiply
    201,488.58x = 302,167.62 × 66,522.33
  4. Step 4: Simplify right side
    201,488.58x = 20,100,894,132.95
  5. Step 5: Solve for x
    x = 20,100,894,132.95/201,488.58
  6. Step 6: Final answer
    x = 99,761.95

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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.