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Finding the Fourth Proportional to 174,398.94, 261,642.60 and 49,739.94

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Solution

The fourth proportional to 174,398.94, 261,642.60 and 49,739.94 is: 74,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,398.94 : 261,642.60 = 49,739.94 : x
  2. Step 2: Convert to fraction form
    174,398.94/261,642.60 = 49,739.94/x
  3. Step 3: Cross multiply
    174,398.94x = 261,642.60 × 49,739.94
  4. Step 4: Simplify right side
    174,398.94x = 13,014,087,225.44
  5. Step 5: Solve for x
    x = 13,014,087,225.44/174,398.94
  6. Step 6: Final answer
    x = 74,622.51

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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.