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Finding the Fourth Proportional to 162,551.21, 224,343.27 and 90,936.07

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Solution

The fourth proportional to 162,551.21, 224,343.27 and 90,936.07 is: 125,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,551.21 : 224,343.27 = 90,936.07 : x
  2. Step 2: Convert to fraction form
    162,551.21/224,343.27 = 90,936.07/x
  3. Step 3: Cross multiply
    162,551.21x = 224,343.27 × 90,936.07
  4. Step 4: Simplify right side
    162,551.21x = 20,400,894,743.89
  5. Step 5: Solve for x
    x = 20,400,894,743.89/162,551.21
  6. Step 6: Final answer
    x = 125,504.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.