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Finding the Fourth Proportional to 201,094.80, 301,751.55 and 82,778.10

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Solution

The fourth proportional to 201,094.80, 301,751.55 and 82,778.10 is: 124,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,094.80 : 301,751.55 = 82,778.10 : x
  2. Step 2: Convert to fraction form
    201,094.80/301,751.55 = 82,778.10/x
  3. Step 3: Cross multiply
    201,094.80x = 301,751.55 × 82,778.10
  4. Step 4: Simplify right side
    201,094.80x = 24,978,419,981.06
  5. Step 5: Solve for x
    x = 24,978,419,981.06/201,094.80
  6. Step 6: Final answer
    x = 124,212.16

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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.