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Finding the Fourth Proportional to 203,246.58, 304,885.66 and 61,080.76

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Solution

The fourth proportional to 203,246.58, 304,885.66 and 61,080.76 is: 91,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,246.58 : 304,885.66 = 61,080.76 : x
  2. Step 2: Convert to fraction form
    203,246.58/304,885.66 = 61,080.76/x
  3. Step 3: Cross multiply
    203,246.58x = 304,885.66 × 61,080.76
  4. Step 4: Simplify right side
    203,246.58x = 18,622,647,825.90
  5. Step 5: Solve for x
    x = 18,622,647,825.90/203,246.58
  6. Step 6: Final answer
    x = 91,625.89

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1.5x scale

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.