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Finding the Fourth Proportional to 365,375.81, 547,999.02 and 99,157.03

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Solution

The fourth proportional to 365,375.81, 547,999.02 and 99,157.03 is: 148,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,375.81 : 547,999.02 = 99,157.03 : x
  2. Step 2: Convert to fraction form
    365,375.81/547,999.02 = 99,157.03/x
  3. Step 3: Cross multiply
    365,375.81x = 547,999.02 × 99,157.03
  4. Step 4: Simplify right side
    365,375.81x = 54,337,953,896.11
  5. Step 5: Solve for x
    x = 54,337,953,896.11/365,375.81
  6. Step 6: Final answer
    x = 148,717.98

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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.