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Finding the Fourth Proportional to 166,724.64, 250,111.56 and 48,380.60

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Solution

The fourth proportional to 166,724.64, 250,111.56 and 48,380.60 is: 72,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,724.64 : 250,111.56 = 48,380.60 : x
  2. Step 2: Convert to fraction form
    166,724.64/250,111.56 = 48,380.60/x
  3. Step 3: Cross multiply
    166,724.64x = 250,111.56 × 48,380.60
  4. Step 4: Simplify right side
    166,724.64x = 12,100,547,339.74
  5. Step 5: Solve for x
    x = 12,100,547,339.74/166,724.64
  6. Step 6: Final answer
    x = 72,578.04

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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.