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Finding the Fourth Proportional to 166,980.88, 250,476.18 and 48,649.60

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Solution

The fourth proportional to 166,980.88, 250,476.18 and 48,649.60 is: 72,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,980.88 : 250,476.18 = 48,649.60 : x
  2. Step 2: Convert to fraction form
    166,980.88/250,476.18 = 48,649.60/x
  3. Step 3: Cross multiply
    166,980.88x = 250,476.18 × 48,649.60
  4. Step 4: Simplify right side
    166,980.88x = 12,185,565,966.53
  5. Step 5: Solve for x
    x = 12,185,565,966.53/166,980.88
  6. Step 6: Final answer
    x = 72,975.82

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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.