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Finding the Fourth Proportional to 170,880.66, 256,333.32 and 49,296.15

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Solution

The fourth proportional to 170,880.66, 256,333.32 and 49,296.15 is: 73,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,880.66 : 256,333.32 = 49,296.15 : x
  2. Step 2: Convert to fraction form
    170,880.66/256,333.32 = 49,296.15/x
  3. Step 3: Cross multiply
    170,880.66x = 256,333.32 × 49,296.15
  4. Step 4: Simplify right side
    170,880.66x = 12,636,245,792.72
  5. Step 5: Solve for x
    x = 12,636,245,792.72/170,880.66
  6. Step 6: Final answer
    x = 73,947.78

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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.