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Finding the Fourth Proportional to 269,467.76, 371,857.53 and 148,609.01

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Solution

The fourth proportional to 269,467.76, 371,857.53 and 148,609.01 is: 205,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,467.76 : 371,857.53 = 148,609.01 : x
  2. Step 2: Convert to fraction form
    269,467.76/371,857.53 = 148,609.01/x
  3. Step 3: Cross multiply
    269,467.76x = 371,857.53 × 148,609.01
  4. Step 4: Simplify right side
    269,467.76x = 55,261,380,881.27
  5. Step 5: Solve for x
    x = 55,261,380,881.27/269,467.76
  6. Step 6: Final answer
    x = 205,076.04

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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.