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Finding the Fourth Proportional to 240,576.94, 360,844.35 and 72,134.88

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Solution

The fourth proportional to 240,576.94, 360,844.35 and 72,134.88 is: 108,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,576.94 : 360,844.35 = 72,134.88 : x
  2. Step 2: Convert to fraction form
    240,576.94/360,844.35 = 72,134.88/x
  3. Step 3: Cross multiply
    240,576.94x = 360,844.35 × 72,134.88
  4. Step 4: Simplify right side
    240,576.94x = 26,029,463,885.93
  5. Step 5: Solve for x
    x = 26,029,463,885.93/240,576.94
  6. Step 6: Final answer
    x = 108,196.01

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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.