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Finding the Fourth Proportional to 201,332.25, 302,000.20 and 61,090.88

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Solution

The fourth proportional to 201,332.25, 302,000.20 and 61,090.88 is: 91,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,332.25 : 302,000.20 = 61,090.88 : x
  2. Step 2: Convert to fraction form
    201,332.25/302,000.20 = 61,090.88/x
  3. Step 3: Cross multiply
    201,332.25x = 302,000.20 × 61,090.88
  4. Step 4: Simplify right side
    201,332.25x = 18,449,456,315.45
  5. Step 5: Solve for x
    x = 18,449,456,315.45/201,332.25
  6. Step 6: Final answer
    x = 91,636.87

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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.