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Finding the Fourth Proportional to 365,798.74, 548,561.74 and 125,845.54

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Solution

The fourth proportional to 365,798.74, 548,561.74 and 125,845.54 is: 188,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,798.74 : 548,561.74 = 125,845.54 : x
  2. Step 2: Convert to fraction form
    365,798.74/548,561.74 = 125,845.54/x
  3. Step 3: Cross multiply
    365,798.74x = 548,561.74 × 125,845.54
  4. Step 4: Simplify right side
    365,798.74x = 69,034,048,393.64
  5. Step 5: Solve for x
    x = 69,034,048,393.64/365,798.74
  6. Step 6: Final answer
    x = 188,721.39

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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.