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Finding the Fourth Proportional to 251,600.63, 377,126.43 and 123,605.01

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Solution

The fourth proportional to 251,600.63, 377,126.43 and 123,605.01 is: 185,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,600.63 : 377,126.43 = 123,605.01 : x
  2. Step 2: Convert to fraction form
    251,600.63/377,126.43 = 123,605.01/x
  3. Step 3: Cross multiply
    251,600.63x = 377,126.43 × 123,605.01
  4. Step 4: Simplify right side
    251,600.63x = 46,614,717,443.84
  5. Step 5: Solve for x
    x = 46,614,717,443.84/251,600.63
  6. Step 6: Final answer
    x = 185,272.66

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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.