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Finding the Fourth Proportional to 100,603.98, 150,676.20 and 48,050.64

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Solution

The fourth proportional to 100,603.98, 150,676.20 and 48,050.64 is: 71,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,603.98 : 150,676.20 = 48,050.64 : x
  2. Step 2: Convert to fraction form
    100,603.98/150,676.20 = 48,050.64/x
  3. Step 3: Cross multiply
    100,603.98x = 150,676.20 × 48,050.64
  4. Step 4: Simplify right side
    100,603.98x = 7,240,087,842.77
  5. Step 5: Solve for x
    x = 7,240,087,842.77/100,603.98
  6. Step 6: Final answer
    x = 71,966.22

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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.