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Finding the Fourth Proportional to 223,614.51, 335,188.43 and 90,586.59

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Solution

The fourth proportional to 223,614.51, 335,188.43 and 90,586.59 is: 135,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,614.51 : 335,188.43 = 90,586.59 : x
  2. Step 2: Convert to fraction form
    223,614.51/335,188.43 = 90,586.59/x
  3. Step 3: Cross multiply
    223,614.51x = 335,188.43 × 90,586.59
  4. Step 4: Simplify right side
    223,614.51x = 30,363,576,881.15
  5. Step 5: Solve for x
    x = 30,363,576,881.15/223,614.51
  6. Step 6: Final answer
    x = 135,785.36

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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.