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Finding the Fourth Proportional to 172,479.60, 259,014.60 and 93,747.60

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Solution

The fourth proportional to 172,479.60, 259,014.60 and 93,747.60 is: 140,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,479.60 : 259,014.60 = 93,747.60 : x
  2. Step 2: Convert to fraction form
    172,479.60/259,014.60 = 93,747.60/x
  3. Step 3: Cross multiply
    172,479.60x = 259,014.60 × 93,747.60
  4. Step 4: Simplify right side
    172,479.60x = 24,281,997,114.96
  5. Step 5: Solve for x
    x = 24,281,997,114.96/172,479.60
  6. Step 6: Final answer
    x = 140,781.85

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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.