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Finding the Fourth Proportional to 228,054.40, 342,081.60 and 109,737.70

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Solution

The fourth proportional to 228,054.40, 342,081.60 and 109,737.70 is: 164,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,054.40 : 342,081.60 = 109,737.70 : x
  2. Step 2: Convert to fraction form
    228,054.40/342,081.60 = 109,737.70/x
  3. Step 3: Cross multiply
    228,054.40x = 342,081.60 × 109,737.70
  4. Step 4: Simplify right side
    228,054.40x = 37,539,247,996.32
  5. Step 5: Solve for x
    x = 37,539,247,996.32/228,054.40
  6. Step 6: Final answer
    x = 164,606.55

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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.