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Finding the Fourth Proportional to 372,033, 558,049.50 and 91,550.25

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Solution

The fourth proportional to 372,033, 558,049.50 and 91,550.25 is: 137,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,033 : 558,049.50 = 91,550.25 : x
  2. Step 2: Convert to fraction form
    372,033/558,049.50 = 91,550.25/x
  3. Step 3: Cross multiply
    372,033x = 558,049.50 × 91,550.25
  4. Step 4: Simplify right side
    372,033x = 51,089,571,237.38
  5. Step 5: Solve for x
    x = 51,089,571,237.38/372,033
  6. Step 6: Final answer
    x = 137,325.38

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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.