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Finding the Fourth Proportional to 228,840.60, 343,293.30 and 71,052.60

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Solution

The fourth proportional to 228,840.60, 343,293.30 and 71,052.60 is: 106,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,840.60 : 343,293.30 = 71,052.60 : x
  2. Step 2: Convert to fraction form
    228,840.60/343,293.30 = 71,052.60/x
  3. Step 3: Cross multiply
    228,840.60x = 343,293.30 × 71,052.60
  4. Step 4: Simplify right side
    228,840.60x = 24,391,881,527.58
  5. Step 5: Solve for x
    x = 24,391,881,527.58/228,840.60
  6. Step 6: Final answer
    x = 106,588.96

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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.