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Finding the Fourth Proportional to 165,756.95, 228,745.51 and 96,850.45

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Solution

The fourth proportional to 165,756.95, 228,745.51 and 96,850.45 is: 133,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,756.95 : 228,745.51 = 96,850.45 : x
  2. Step 2: Convert to fraction form
    165,756.95/228,745.51 = 96,850.45/x
  3. Step 3: Cross multiply
    165,756.95x = 228,745.51 × 96,850.45
  4. Step 4: Simplify right side
    165,756.95x = 22,154,105,622.79
  5. Step 5: Solve for x
    x = 22,154,105,622.79/165,756.95
  6. Step 6: Final answer
    x = 133,654.16

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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.