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Finding the Fourth Proportional to 166,845.60, 250,269.30 and 42,186.60

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Solution

The fourth proportional to 166,845.60, 250,269.30 and 42,186.60 is: 63,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,845.60 : 250,269.30 = 42,186.60 : x
  2. Step 2: Convert to fraction form
    166,845.60/250,269.30 = 42,186.60/x
  3. Step 3: Cross multiply
    166,845.60x = 250,269.30 × 42,186.60
  4. Step 4: Simplify right side
    166,845.60x = 10,558,010,851.38
  5. Step 5: Solve for x
    x = 10,558,010,851.38/166,845.60
  6. Step 6: Final answer
    x = 63,280.13

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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.