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Finding the Fourth Proportional to 309,036.80, 463,627.50 and 95,793.62

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Solution

The fourth proportional to 309,036.80, 463,627.50 and 95,793.62 is: 143,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,036.80 : 463,627.50 = 95,793.62 : x
  2. Step 2: Convert to fraction form
    309,036.80/463,627.50 = 95,793.62/x
  3. Step 3: Cross multiply
    309,036.80x = 463,627.50 × 95,793.62
  4. Step 4: Simplify right side
    309,036.80x = 44,412,556,556.55
  5. Step 5: Solve for x
    x = 44,412,556,556.55/309,036.80
  6. Step 6: Final answer
    x = 143,712.84

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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.