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Finding the Fourth Proportional to 166,978.32, 250,463.16 and 56,170.32

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Solution

The fourth proportional to 166,978.32, 250,463.16 and 56,170.32 is: 84,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,978.32 : 250,463.16 = 56,170.32 : x
  2. Step 2: Convert to fraction form
    166,978.32/250,463.16 = 56,170.32/x
  3. Step 3: Cross multiply
    166,978.32x = 250,463.16 × 56,170.32
  4. Step 4: Simplify right side
    166,978.32x = 14,068,595,845.41
  5. Step 5: Solve for x
    x = 14,068,595,845.41/166,978.32
  6. Step 6: Final answer
    x = 84,254.03

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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.