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Finding the Fourth Proportional to 101,038, 151,576.44 and 45,634

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Solution

The fourth proportional to 101,038, 151,576.44 and 45,634 is: 68,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,038 : 151,576.44 = 45,634 : x
  2. Step 2: Convert to fraction form
    101,038/151,576.44 = 45,634/x
  3. Step 3: Cross multiply
    101,038x = 151,576.44 × 45,634
  4. Step 4: Simplify right side
    101,038x = 6,917,039,262.96
  5. Step 5: Solve for x
    x = 6,917,039,262.96/101,038
  6. Step 6: Final answer
    x = 68,459.78

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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.