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Finding the Fourth Proportional to 92,585.64, 138,849.84 and 33,413.67

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Solution

The fourth proportional to 92,585.64, 138,849.84 and 33,413.67 is: 50,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,585.64 : 138,849.84 = 33,413.67 : x
  2. Step 2: Convert to fraction form
    92,585.64/138,849.84 = 33,413.67/x
  3. Step 3: Cross multiply
    92,585.64x = 138,849.84 × 33,413.67
  4. Step 4: Simplify right side
    92,585.64x = 4,639,482,733.31
  5. Step 5: Solve for x
    x = 4,639,482,733.31/92,585.64
  6. Step 6: Final answer
    x = 50,110.18

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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.