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Finding the Fourth Proportional to 118,396.59, 163,394.84 and 67,413.77

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Solution

The fourth proportional to 118,396.59, 163,394.84 and 67,413.77 is: 93,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,396.59 : 163,394.84 = 67,413.77 : x
  2. Step 2: Convert to fraction form
    118,396.59/163,394.84 = 67,413.77/x
  3. Step 3: Cross multiply
    118,396.59x = 163,394.84 × 67,413.77
  4. Step 4: Simplify right side
    118,396.59x = 11,015,062,667.13
  5. Step 5: Solve for x
    x = 11,015,062,667.13/118,396.59
  6. Step 6: Final answer
    x = 93,035.30

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1.5x scale

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.