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Finding the Fourth Proportional to 201,182.88, 301,741.92 and 68,060.64

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Solution

The fourth proportional to 201,182.88, 301,741.92 and 68,060.64 is: 102,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,182.88 : 301,741.92 = 68,060.64 : x
  2. Step 2: Convert to fraction form
    201,182.88/301,741.92 = 68,060.64/x
  3. Step 3: Cross multiply
    201,182.88x = 301,741.92 × 68,060.64
  4. Step 4: Simplify right side
    201,182.88x = 20,536,748,190.03
  5. Step 5: Solve for x
    x = 20,536,748,190.03/201,182.88
  6. Step 6: Final answer
    x = 102,080.00

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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.