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Finding the Fourth Proportional to 202,894.44, 280,000.26 and 111,019.24

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Solution

The fourth proportional to 202,894.44, 280,000.26 and 111,019.24 is: 153,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,894.44 : 280,000.26 = 111,019.24 : x
  2. Step 2: Convert to fraction form
    202,894.44/280,000.26 = 111,019.24/x
  3. Step 3: Cross multiply
    202,894.44x = 280,000.26 × 111,019.24
  4. Step 4: Simplify right side
    202,894.44x = 31,085,416,065.00
  5. Step 5: Solve for x
    x = 31,085,416,065.00/202,894.44
  6. Step 6: Final answer
    x = 153,209.80

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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.