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Finding the Fourth Proportional to 201,636.60, 302,454.90 and 61,395.23

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Solution

The fourth proportional to 201,636.60, 302,454.90 and 61,395.23 is: 92,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,636.60 : 302,454.90 = 61,395.23 : x
  2. Step 2: Convert to fraction form
    201,636.60/302,454.90 = 61,395.23/x
  3. Step 3: Cross multiply
    201,636.60x = 302,454.90 × 61,395.23
  4. Step 4: Simplify right side
    201,636.60x = 18,569,288,150.13
  5. Step 5: Solve for x
    x = 18,569,288,150.13/201,636.60
  6. Step 6: Final answer
    x = 92,092.85

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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.