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Finding the Fourth Proportional to 90,244.62, 135,413.10 and 36,975.42

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Solution

The fourth proportional to 90,244.62, 135,413.10 and 36,975.42 is: 55,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.62 : 135,413.10 = 36,975.42 : x
  2. Step 2: Convert to fraction form
    90,244.62/135,413.10 = 36,975.42/x
  3. Step 3: Cross multiply
    90,244.62x = 135,413.10 × 36,975.42
  4. Step 4: Simplify right side
    90,244.62x = 5,006,956,246.00
  5. Step 5: Solve for x
    x = 5,006,956,246.00/90,244.62
  6. Step 6: Final answer
    x = 55,482.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.