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Finding the Fourth Proportional to 165,902.76, 228,950.82 and 90,452.52

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Solution

The fourth proportional to 165,902.76, 228,950.82 and 90,452.52 is: 124,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,902.76 : 228,950.82 = 90,452.52 : x
  2. Step 2: Convert to fraction form
    165,902.76/228,950.82 = 90,452.52/x
  3. Step 3: Cross multiply
    165,902.76x = 228,950.82 × 90,452.52
  4. Step 4: Simplify right side
    165,902.76x = 20,709,178,625.07
  5. Step 5: Solve for x
    x = 20,709,178,625.07/165,902.76
  6. Step 6: Final answer
    x = 124,827.21

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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.