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Finding the Fourth Proportional to 173,801.50, 260,751.46 and 102,787.18

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Solution

The fourth proportional to 173,801.50, 260,751.46 and 102,787.18 is: 154,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,801.50 : 260,751.46 = 102,787.18 : x
  2. Step 2: Convert to fraction form
    173,801.50/260,751.46 = 102,787.18/x
  3. Step 3: Cross multiply
    173,801.50x = 260,751.46 × 102,787.18
  4. Step 4: Simplify right side
    173,801.50x = 26,801,907,254.28
  5. Step 5: Solve for x
    x = 26,801,907,254.28/173,801.50
  6. Step 6: Final answer
    x = 154,209.87

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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.