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Finding the Fourth Proportional to 501,804.93, 752,700.87 and 122,728.95

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Solution

The fourth proportional to 501,804.93, 752,700.87 and 122,728.95 is: 184,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,804.93 : 752,700.87 = 122,728.95 : x
  2. Step 2: Convert to fraction form
    501,804.93/752,700.87 = 122,728.95/x
  3. Step 3: Cross multiply
    501,804.93x = 752,700.87 × 122,728.95
  4. Step 4: Simplify right side
    501,804.93x = 92,378,187,439.19
  5. Step 5: Solve for x
    x = 92,378,187,439.19/501,804.93
  6. Step 6: Final answer
    x = 184,091.83

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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.