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Finding the Fourth Proportional to 162,796.01, 224,660.18 and 90,201.12

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Solution

The fourth proportional to 162,796.01, 224,660.18 and 90,201.12 is: 124,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,796.01 : 224,660.18 = 90,201.12 : x
  2. Step 2: Convert to fraction form
    162,796.01/224,660.18 = 90,201.12/x
  3. Step 3: Cross multiply
    162,796.01x = 224,660.18 × 90,201.12
  4. Step 4: Simplify right side
    162,796.01x = 20,264,599,238.43
  5. Step 5: Solve for x
    x = 20,264,599,238.43/162,796.01
  6. Step 6: Final answer
    x = 124,478.48

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