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Finding the Fourth Proportional to 260,448.54, 390,794.37 and 92,096.38

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Solution

The fourth proportional to 260,448.54, 390,794.37 and 92,096.38 is: 138,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,448.54 : 390,794.37 = 92,096.38 : x
  2. Step 2: Convert to fraction form
    260,448.54/390,794.37 = 92,096.38/x
  3. Step 3: Cross multiply
    260,448.54x = 390,794.37 × 92,096.38
  4. Step 4: Simplify right side
    260,448.54x = 35,990,746,801.38
  5. Step 5: Solve for x
    x = 35,990,746,801.38/260,448.54
  6. Step 6: Final answer
    x = 138,187.55

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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.