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Finding the Fourth Proportional to 174,362.80, 261,570.36 and 74,522.56

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Solution

The fourth proportional to 174,362.80, 261,570.36 and 74,522.56 is: 111,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,362.80 : 261,570.36 = 74,522.56 : x
  2. Step 2: Convert to fraction form
    174,362.80/261,570.36 = 74,522.56/x
  3. Step 3: Cross multiply
    174,362.80x = 261,570.36 × 74,522.56
  4. Step 4: Simplify right side
    174,362.80x = 19,492,892,847.32
  5. Step 5: Solve for x
    x = 19,492,892,847.32/174,362.80
  6. Step 6: Final answer
    x = 111,795.02

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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.