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Finding the Fourth Proportional to 201,312.30, 301,968.45 and 82,922.70

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Solution

The fourth proportional to 201,312.30, 301,968.45 and 82,922.70 is: 124,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,312.30 : 301,968.45 = 82,922.70 : x
  2. Step 2: Convert to fraction form
    201,312.30/301,968.45 = 82,922.70/x
  3. Step 3: Cross multiply
    201,312.30x = 301,968.45 × 82,922.70
  4. Step 4: Simplify right side
    201,312.30x = 25,040,039,188.82
  5. Step 5: Solve for x
    x = 25,040,039,188.82/201,312.30
  6. Step 6: Final answer
    x = 124,384.05

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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.