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Finding the Fourth Proportional to 172,775.04, 259,168.64 and 60,432.64

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Solution

The fourth proportional to 172,775.04, 259,168.64 and 60,432.64 is: 90,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,775.04 : 259,168.64 = 60,432.64 : x
  2. Step 2: Convert to fraction form
    172,775.04/259,168.64 = 60,432.64/x
  3. Step 3: Cross multiply
    172,775.04x = 259,168.64 × 60,432.64
  4. Step 4: Simplify right side
    172,775.04x = 15,662,245,120.41
  5. Step 5: Solve for x
    x = 15,662,245,120.41/172,775.04
  6. Step 6: Final answer
    x = 90,651.09

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1.5x scale

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.