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Finding the Fourth Proportional to 269,776.55, 372,292.94 and 148,915.64

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Solution

The fourth proportional to 269,776.55, 372,292.94 and 148,915.64 is: 205,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,776.55 : 372,292.94 = 148,915.64 : x
  2. Step 2: Convert to fraction form
    269,776.55/372,292.94 = 148,915.64/x
  3. Step 3: Cross multiply
    269,776.55x = 372,292.94 × 148,915.64
  4. Step 4: Simplify right side
    269,776.55x = 55,440,241,427.58
  5. Step 5: Solve for x
    x = 55,440,241,427.58/269,776.55
  6. Step 6: Final answer
    x = 205,504.30

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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.