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Finding the Fourth Proportional to 229,271.80, 343,956.30 and 69,334.60

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Solution

The fourth proportional to 229,271.80, 343,956.30 and 69,334.60 is: 104,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,271.80 : 343,956.30 = 69,334.60 : x
  2. Step 2: Convert to fraction form
    229,271.80/343,956.30 = 69,334.60/x
  3. Step 3: Cross multiply
    229,271.80x = 343,956.30 × 69,334.60
  4. Step 4: Simplify right side
    229,271.80x = 23,848,072,477.98
  5. Step 5: Solve for x
    x = 23,848,072,477.98/229,271.80
  6. Step 6: Final answer
    x = 104,016.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.