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Finding the Fourth Proportional to 165,517, 228,413.46 and 90,066.04

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Solution

The fourth proportional to 165,517, 228,413.46 and 90,066.04 is: 124,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,517 : 228,413.46 = 90,066.04 : x
  2. Step 2: Convert to fraction form
    165,517/228,413.46 = 90,066.04/x
  3. Step 3: Cross multiply
    165,517x = 228,413.46 × 90,066.04
  4. Step 4: Simplify right side
    165,517x = 20,572,295,824.90
  5. Step 5: Solve for x
    x = 20,572,295,824.90/165,517
  6. Step 6: Final answer
    x = 124,291.14

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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.