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Finding the Fourth Proportional to 181,469.60, 250,356.08 and 104,974.50

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Solution

The fourth proportional to 181,469.60, 250,356.08 and 104,974.50 is: 144,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,469.60 : 250,356.08 = 104,974.50 : x
  2. Step 2: Convert to fraction form
    181,469.60/250,356.08 = 104,974.50/x
  3. Step 3: Cross multiply
    181,469.60x = 250,356.08 × 104,974.50
  4. Step 4: Simplify right side
    181,469.60x = 26,281,003,795.09
  5. Step 5: Solve for x
    x = 26,281,003,795.09/181,469.60
  6. Step 6: Final answer
    x = 144,823.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.