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Finding the Fourth Proportional to 99,562.36, 149,338.68 and 37,228

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Solution

The fourth proportional to 99,562.36, 149,338.68 and 37,228 is: 55,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,562.36 : 149,338.68 = 37,228 : x
  2. Step 2: Convert to fraction form
    99,562.36/149,338.68 = 37,228/x
  3. Step 3: Cross multiply
    99,562.36x = 149,338.68 × 37,228
  4. Step 4: Simplify right side
    99,562.36x = 5,559,580,379.04
  5. Step 5: Solve for x
    x = 5,559,580,379.04/99,562.36
  6. Step 6: Final answer
    x = 55,840.18

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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.