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Finding the Fourth Proportional to 254,065.88, 380,766.62 and 104,130.63

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Solution

The fourth proportional to 254,065.88, 380,766.62 and 104,130.63 is: 156,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,065.88 : 380,766.62 = 104,130.63 : x
  2. Step 2: Convert to fraction form
    254,065.88/380,766.62 = 104,130.63/x
  3. Step 3: Cross multiply
    254,065.88x = 380,766.62 × 104,130.63
  4. Step 4: Simplify right side
    254,065.88x = 39,649,468,283.90
  5. Step 5: Solve for x
    x = 39,649,468,283.90/254,065.88
  6. Step 6: Final answer
    x = 156,059.79

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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.