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Finding the Fourth Proportional to 246,142.40, 368,630.40 and 166,827.20

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Solution

The fourth proportional to 246,142.40, 368,630.40 and 166,827.20 is: 249,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,142.40 : 368,630.40 = 166,827.20 : x
  2. Step 2: Convert to fraction form
    246,142.40/368,630.40 = 166,827.20/x
  3. Step 3: Cross multiply
    246,142.40x = 368,630.40 × 166,827.20
  4. Step 4: Simplify right side
    246,142.40x = 61,497,577,466.88
  5. Step 5: Solve for x
    x = 61,497,577,466.88/246,142.40
  6. Step 6: Final answer
    x = 249,845.53

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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.