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Finding the Fourth Proportional to 188,907.90, 283,295.70 and 55,752.90

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Solution

The fourth proportional to 188,907.90, 283,295.70 and 55,752.90 is: 83,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,907.90 : 283,295.70 = 55,752.90 : x
  2. Step 2: Convert to fraction form
    188,907.90/283,295.70 = 55,752.90/x
  3. Step 3: Cross multiply
    188,907.90x = 283,295.70 × 55,752.90
  4. Step 4: Simplify right side
    188,907.90x = 15,794,556,832.53
  5. Step 5: Solve for x
    x = 15,794,556,832.53/188,907.90
  6. Step 6: Final answer
    x = 83,609.83

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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.