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Finding the Fourth Proportional to 201,085.90, 301,628.85 and 153,846.70

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Solution

The fourth proportional to 201,085.90, 301,628.85 and 153,846.70 is: 230,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,085.90 : 301,628.85 = 153,846.70 : x
  2. Step 2: Convert to fraction form
    201,085.90/301,628.85 = 153,846.70/x
  3. Step 3: Cross multiply
    201,085.90x = 301,628.85 × 153,846.70
  4. Step 4: Simplify right side
    201,085.90x = 46,404,603,197.30
  5. Step 5: Solve for x
    x = 46,404,603,197.30/201,085.90
  6. Step 6: Final answer
    x = 230,770.05

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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.