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Finding the Fourth Proportional to 367,393.80, 551,058.30 and 101,130.60

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Solution

The fourth proportional to 367,393.80, 551,058.30 and 101,130.60 is: 151,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,393.80 : 551,058.30 = 101,130.60 : x
  2. Step 2: Convert to fraction form
    367,393.80/551,058.30 = 101,130.60/x
  3. Step 3: Cross multiply
    367,393.80x = 551,058.30 × 101,130.60
  4. Step 4: Simplify right side
    367,393.80x = 55,728,856,513.98
  5. Step 5: Solve for x
    x = 55,728,856,513.98/367,393.80
  6. Step 6: Final answer
    x = 151,686.98

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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.