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Finding the Fourth Proportional to 254,757.60, 382,136.40 and 104,948.10

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Solution

The fourth proportional to 254,757.60, 382,136.40 and 104,948.10 is: 157,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,757.60 : 382,136.40 = 104,948.10 : x
  2. Step 2: Convert to fraction form
    254,757.60/382,136.40 = 104,948.10/x
  3. Step 3: Cross multiply
    254,757.60x = 382,136.40 × 104,948.10
  4. Step 4: Simplify right side
    254,757.60x = 40,104,489,120.84
  5. Step 5: Solve for x
    x = 40,104,489,120.84/254,757.60
  6. Step 6: Final answer
    x = 157,422.15

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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.