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Finding the Fourth Proportional to 201,649.98, 302,662.08 and 101,880.25

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Solution

The fourth proportional to 201,649.98, 302,662.08 and 101,880.25 is: 152,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,649.98 : 302,662.08 = 101,880.25 : x
  2. Step 2: Convert to fraction form
    201,649.98/302,662.08 = 101,880.25/x
  3. Step 3: Cross multiply
    201,649.98x = 302,662.08 × 101,880.25
  4. Step 4: Simplify right side
    201,649.98x = 30,835,288,375.92
  5. Step 5: Solve for x
    x = 30,835,288,375.92/201,649.98
  6. Step 6: Final answer
    x = 152,914.91

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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.