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Finding the Fourth Proportional to 251,605.64, 377,133.92 and 123,610.02

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Solution

The fourth proportional to 251,605.64, 377,133.92 and 123,610.02 is: 185,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,605.64 : 377,133.92 = 123,610.02 : x
  2. Step 2: Convert to fraction form
    251,605.64/377,133.92 = 123,610.02/x
  3. Step 3: Cross multiply
    251,605.64x = 377,133.92 × 123,610.02
  4. Step 4: Simplify right side
    251,605.64x = 46,617,531,393.88
  5. Step 5: Solve for x
    x = 46,617,531,393.88/251,605.64
  6. Step 6: Final answer
    x = 185,280.15

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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.