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Finding the Fourth Proportional to 201,680.80, 302,127.54 and 122,598.88

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Solution

The fourth proportional to 201,680.80, 302,127.54 and 122,598.88 is: 183,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,680.80 : 302,127.54 = 122,598.88 : x
  2. Step 2: Convert to fraction form
    201,680.80/302,127.54 = 122,598.88/x
  3. Step 3: Cross multiply
    201,680.80x = 302,127.54 × 122,598.88
  4. Step 4: Simplify right side
    201,680.80x = 37,040,498,021.16
  5. Step 5: Solve for x
    x = 37,040,498,021.16/201,680.80
  6. Step 6: Final answer
    x = 183,659.02

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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.