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Finding the Fourth Proportional to 99,813.44, 149,676.48 and 37,440.32

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Solution

The fourth proportional to 99,813.44, 149,676.48 and 37,440.32 is: 56,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,813.44 : 149,676.48 = 37,440.32 : x
  2. Step 2: Convert to fraction form
    99,813.44/149,676.48 = 37,440.32/x
  3. Step 3: Cross multiply
    99,813.44x = 149,676.48 × 37,440.32
  4. Step 4: Simplify right side
    99,813.44x = 5,603,935,307.67
  5. Step 5: Solve for x
    x = 5,603,935,307.67/99,813.44
  6. Step 6: Final answer
    x = 56,144.10

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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.