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Finding the Fourth Proportional to 140,997.04, 194,576.04 and 77,336.08

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Solution

The fourth proportional to 140,997.04, 194,576.04 and 77,336.08 is: 106,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,997.04 : 194,576.04 = 77,336.08 : x
  2. Step 2: Convert to fraction form
    140,997.04/194,576.04 = 77,336.08/x
  3. Step 3: Cross multiply
    140,997.04x = 194,576.04 × 77,336.08
  4. Step 4: Simplify right side
    140,997.04x = 15,047,748,195.52
  5. Step 5: Solve for x
    x = 15,047,748,195.52/140,997.04
  6. Step 6: Final answer
    x = 106,723.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.