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Finding the Fourth Proportional to 365,087.55, 547,467.30 and 140,373.30

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Solution

The fourth proportional to 365,087.55, 547,467.30 and 140,373.30 is: 210,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,087.55 : 547,467.30 = 140,373.30 : x
  2. Step 2: Convert to fraction form
    365,087.55/547,467.30 = 140,373.30/x
  3. Step 3: Cross multiply
    365,087.55x = 547,467.30 × 140,373.30
  4. Step 4: Simplify right side
    365,087.55x = 76,849,791,543.09
  5. Step 5: Solve for x
    x = 76,849,791,543.09/365,087.55
  6. Step 6: Final answer
    x = 210,496.88

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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.