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Finding the Fourth Proportional to 270,893.46, 373,835.72 and 163,442.72

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Solution

The fourth proportional to 270,893.46, 373,835.72 and 163,442.72 is: 225,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,893.46 : 373,835.72 = 163,442.72 : x
  2. Step 2: Convert to fraction form
    270,893.46/373,835.72 = 163,442.72/x
  3. Step 3: Cross multiply
    270,893.46x = 373,835.72 × 163,442.72
  4. Step 4: Simplify right side
    270,893.46x = 61,100,726,909.96
  5. Step 5: Solve for x
    x = 61,100,726,909.96/270,893.46
  6. Step 6: Final answer
    x = 225,552.61

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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.