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Finding the Fourth Proportional to 225,606.69, 338,452.73 and 90,681.26

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Solution

The fourth proportional to 225,606.69, 338,452.73 and 90,681.26 is: 136,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,606.69 : 338,452.73 = 90,681.26 : x
  2. Step 2: Convert to fraction form
    225,606.69/338,452.73 = 90,681.26/x
  3. Step 3: Cross multiply
    225,606.69x = 338,452.73 × 90,681.26
  4. Step 4: Simplify right side
    225,606.69x = 30,691,317,861.17
  5. Step 5: Solve for x
    x = 30,691,317,861.17/225,606.69
  6. Step 6: Final answer
    x = 136,039.04

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1.5x scale

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.