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Finding the Fourth Proportional to 99,398.99, 149,093.61 and 37,064.63

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Solution

The fourth proportional to 99,398.99, 149,093.61 and 37,064.63 is: 55,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.99 : 149,093.61 = 37,064.63 : x
  2. Step 2: Convert to fraction form
    99,398.99/149,093.61 = 37,064.63/x
  3. Step 3: Cross multiply
    99,398.99x = 149,093.61 × 37,064.63
  4. Step 4: Simplify right side
    99,398.99x = 5,526,098,744.55
  5. Step 5: Solve for x
    x = 5,526,098,744.55/99,398.99
  6. Step 6: Final answer
    x = 55,595.12

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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.