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Finding the Fourth Proportional to 262,063.88, 393,095.88 and 173,880.80

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Solution

The fourth proportional to 262,063.88, 393,095.88 and 173,880.80 is: 260,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,063.88 : 393,095.88 = 173,880.80 : x
  2. Step 2: Convert to fraction form
    262,063.88/393,095.88 = 173,880.80/x
  3. Step 3: Cross multiply
    262,063.88x = 393,095.88 × 173,880.80
  4. Step 4: Simplify right side
    262,063.88x = 68,351,826,091.10
  5. Step 5: Solve for x
    x = 68,351,826,091.10/262,063.88
  6. Step 6: Final answer
    x = 260,821.24

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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.