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Finding the Fourth Proportional to 201,059.90, 301,444.05 and 82,670.30

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Solution

The fourth proportional to 201,059.90, 301,444.05 and 82,670.30 is: 123,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,059.90 : 301,444.05 = 82,670.30 : x
  2. Step 2: Convert to fraction form
    201,059.90/301,444.05 = 82,670.30/x
  3. Step 3: Cross multiply
    201,059.90x = 301,444.05 × 82,670.30
  4. Step 4: Simplify right side
    201,059.90x = 24,920,470,046.72
  5. Step 5: Solve for x
    x = 24,920,470,046.72/201,059.90
  6. Step 6: Final answer
    x = 123,945.50

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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.