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Finding the Fourth Proportional to 99,674.67, 149,486.53 and 29,537.58

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Solution

The fourth proportional to 99,674.67, 149,486.53 and 29,537.58 is: 44,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,674.67 : 149,486.53 = 29,537.58 : x
  2. Step 2: Convert to fraction form
    99,674.67/149,486.53 = 29,537.58/x
  3. Step 3: Cross multiply
    99,674.67x = 149,486.53 × 29,537.58
  4. Step 4: Simplify right side
    99,674.67x = 4,415,470,338.80
  5. Step 5: Solve for x
    x = 4,415,470,338.80/99,674.67
  6. Step 6: Final answer
    x = 44,298.82

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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.