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Finding the Fourth Proportional to 250,893.55, 346,220.39 and 148,923.46

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Solution

The fourth proportional to 250,893.55, 346,220.39 and 148,923.46 is: 205,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,893.55 : 346,220.39 = 148,923.46 : x
  2. Step 2: Convert to fraction form
    250,893.55/346,220.39 = 148,923.46/x
  3. Step 3: Cross multiply
    250,893.55x = 346,220.39 × 148,923.46
  4. Step 4: Simplify right side
    250,893.55x = 51,560,338,401.35
  5. Step 5: Solve for x
    x = 51,560,338,401.35/250,893.55
  6. Step 6: Final answer
    x = 205,506.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.