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Finding the Fourth Proportional to 172,984.59, 259,520.63 and 48,325.59

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Solution

The fourth proportional to 172,984.59, 259,520.63 and 48,325.59 is: 72,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,984.59 : 259,520.63 = 48,325.59 : x
  2. Step 2: Convert to fraction form
    172,984.59/259,520.63 = 48,325.59/x
  3. Step 3: Cross multiply
    172,984.59x = 259,520.63 × 48,325.59
  4. Step 4: Simplify right side
    172,984.59x = 12,541,487,320.29
  5. Step 5: Solve for x
    x = 12,541,487,320.29/172,984.59
  6. Step 6: Final answer
    x = 72,500.60

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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.