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Finding the Fourth Proportional to 267,848.64, 369,660 and 171,140.64

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Solution

The fourth proportional to 267,848.64, 369,660 and 171,140.64 is: 236,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,848.64 : 369,660 = 171,140.64 : x
  2. Step 2: Convert to fraction form
    267,848.64/369,660 = 171,140.64/x
  3. Step 3: Cross multiply
    267,848.64x = 369,660 × 171,140.64
  4. Step 4: Simplify right side
    267,848.64x = 63,263,848,982.40
  5. Step 5: Solve for x
    x = 63,263,848,982.40/267,848.64
  6. Step 6: Final answer
    x = 236,192.53

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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.