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Finding the Fourth Proportional to 254,478.53, 381,599.31 and 94,443.01

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Solution

The fourth proportional to 254,478.53, 381,599.31 and 94,443.01 is: 141,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,478.53 : 381,599.31 = 94,443.01 : x
  2. Step 2: Convert to fraction form
    254,478.53/381,599.31 = 94,443.01/x
  3. Step 3: Cross multiply
    254,478.53x = 381,599.31 × 94,443.01
  4. Step 4: Simplify right side
    254,478.53x = 36,039,387,450.32
  5. Step 5: Solve for x
    x = 36,039,387,450.32/254,478.53
  6. Step 6: Final answer
    x = 141,620.54

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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.