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Finding the Fourth Proportional to 168,620.94, 252,763.74 and 93,775.32

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Solution

The fourth proportional to 168,620.94, 252,763.74 and 93,775.32 is: 140,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,620.94 : 252,763.74 = 93,775.32 : x
  2. Step 2: Convert to fraction form
    168,620.94/252,763.74 = 93,775.32/x
  3. Step 3: Cross multiply
    168,620.94x = 252,763.74 × 93,775.32
  4. Step 4: Simplify right side
    168,620.94x = 23,703,000,602.90
  5. Step 5: Solve for x
    x = 23,703,000,602.90/168,620.94
  6. Step 6: Final answer
    x = 140,569.73

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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.