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Finding the Fourth Proportional to 254,790.50, 382,231.72 and 104,949.01

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Solution

The fourth proportional to 254,790.50, 382,231.72 and 104,949.01 is: 157,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,790.50 : 382,231.72 = 104,949.01 : x
  2. Step 2: Convert to fraction form
    254,790.50/382,231.72 = 104,949.01/x
  3. Step 3: Cross multiply
    254,790.50x = 382,231.72 × 104,949.01
  4. Step 4: Simplify right side
    254,790.50x = 40,114,839,780.20
  5. Step 5: Solve for x
    x = 40,114,839,780.20/254,790.50
  6. Step 6: Final answer
    x = 157,442.45

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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.