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Finding the Fourth Proportional to 228,195.70, 342,001.95 and 109,611.70

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Solution

The fourth proportional to 228,195.70, 342,001.95 and 109,611.70 is: 164,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,195.70 : 342,001.95 = 109,611.70 : x
  2. Step 2: Convert to fraction form
    228,195.70/342,001.95 = 109,611.70/x
  3. Step 3: Cross multiply
    228,195.70x = 342,001.95 × 109,611.70
  4. Step 4: Simplify right side
    228,195.70x = 37,487,415,142.82
  5. Step 5: Solve for x
    x = 37,487,415,142.82/228,195.70
  6. Step 6: Final answer
    x = 164,277.48

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1.5x scale

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.