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Finding the Fourth Proportional to 260,787.86, 359,760.25 and 170,102.69

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Solution

The fourth proportional to 260,787.86, 359,760.25 and 170,102.69 is: 234,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,787.86 : 359,760.25 = 170,102.69 : x
  2. Step 2: Convert to fraction form
    260,787.86/359,760.25 = 170,102.69/x
  3. Step 3: Cross multiply
    260,787.86x = 359,760.25 × 170,102.69
  4. Step 4: Simplify right side
    260,787.86x = 61,196,186,280.07
  5. Step 5: Solve for x
    x = 61,196,186,280.07/260,787.86
  6. Step 6: Final answer
    x = 234,658.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.