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Finding the Fourth Proportional to 222,355.13, 333,567.25 and 74,645.69

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Solution

The fourth proportional to 222,355.13, 333,567.25 and 74,645.69 is: 111,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,355.13 : 333,567.25 = 74,645.69 : x
  2. Step 2: Convert to fraction form
    222,355.13/333,567.25 = 74,645.69/x
  3. Step 3: Cross multiply
    222,355.13x = 333,567.25 × 74,645.69
  4. Step 4: Simplify right side
    222,355.13x = 24,899,355,683.20
  5. Step 5: Solve for x
    x = 24,899,355,683.20/222,355.13
  6. Step 6: Final answer
    x = 111,980.13

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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.