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Finding the Fourth Proportional to 365,576.08, 547,990.26 and 140,848.51

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Solution

The fourth proportional to 365,576.08, 547,990.26 and 140,848.51 is: 211,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,576.08 : 547,990.26 = 140,848.51 : x
  2. Step 2: Convert to fraction form
    365,576.08/547,990.26 = 140,848.51/x
  3. Step 3: Cross multiply
    365,576.08x = 547,990.26 × 140,848.51
  4. Step 4: Simplify right side
    365,576.08x = 77,183,611,615.51
  5. Step 5: Solve for x
    x = 77,183,611,615.51/365,576.08
  6. Step 6: Final answer
    x = 211,128.72

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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.