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Finding the Fourth Proportional to 201,855.12, 302,841.90 and 59,704.15

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Solution

The fourth proportional to 201,855.12, 302,841.90 and 59,704.15 is: 89,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,855.12 : 302,841.90 = 59,704.15 : x
  2. Step 2: Convert to fraction form
    201,855.12/302,841.90 = 59,704.15/x
  3. Step 3: Cross multiply
    201,855.12x = 302,841.90 × 59,704.15
  4. Step 4: Simplify right side
    201,855.12x = 18,080,917,922.66
  5. Step 5: Solve for x
    x = 18,080,917,922.66/201,855.12
  6. Step 6: Final answer
    x = 89,573.74

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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.