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Finding the Fourth Proportional to 228,376.40, 342,564.60 and 110,059.70

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Solution

The fourth proportional to 228,376.40, 342,564.60 and 110,059.70 is: 165,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,376.40 : 342,564.60 = 110,059.70 : x
  2. Step 2: Convert to fraction form
    228,376.40/342,564.60 = 110,059.70/x
  3. Step 3: Cross multiply
    228,376.40x = 342,564.60 × 110,059.70
  4. Step 4: Simplify right side
    228,376.40x = 37,702,557,106.62
  5. Step 5: Solve for x
    x = 37,702,557,106.62/228,376.40
  6. Step 6: Final answer
    x = 165,089.55

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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.