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Finding the Fourth Proportional to 172,984.68, 259,467.77 and 46,622.90

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Solution

The fourth proportional to 172,984.68, 259,467.77 and 46,622.90 is: 69,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,984.68 : 259,467.77 = 46,622.90 : x
  2. Step 2: Convert to fraction form
    172,984.68/259,467.77 = 46,622.90/x
  3. Step 3: Cross multiply
    172,984.68x = 259,467.77 × 46,622.90
  4. Step 4: Simplify right side
    172,984.68x = 12,097,138,363.48
  5. Step 5: Solve for x
    x = 12,097,138,363.48/172,984.68
  6. Step 6: Final answer
    x = 69,931.85

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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.