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Finding the Fourth Proportional to 270,953.01, 373,915.09 and 148,449.74

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Solution

The fourth proportional to 270,953.01, 373,915.09 and 148,449.74 is: 204,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,953.01 : 373,915.09 = 148,449.74 : x
  2. Step 2: Convert to fraction form
    270,953.01/373,915.09 = 148,449.74/x
  3. Step 3: Cross multiply
    270,953.01x = 373,915.09 × 148,449.74
  4. Step 4: Simplify right side
    270,953.01x = 55,507,597,892.58
  5. Step 5: Solve for x
    x = 55,507,597,892.58/270,953.01
  6. Step 6: Final answer
    x = 204,860.61

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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.