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Finding the Fourth Proportional to 165,577, 228,497.34 and 90,126.04

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Solution

The fourth proportional to 165,577, 228,497.34 and 90,126.04 is: 124,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,577 : 228,497.34 = 90,126.04 : x
  2. Step 2: Convert to fraction form
    165,577/228,497.34 = 90,126.04/x
  3. Step 3: Cross multiply
    165,577x = 228,497.34 × 90,126.04
  4. Step 4: Simplify right side
    165,577x = 20,593,560,404.73
  5. Step 5: Solve for x
    x = 20,593,560,404.73/165,577
  6. Step 6: Final answer
    x = 124,374.52

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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.