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Finding the Fourth Proportional to 201,000.96, 300,879.36 and 171,141.12

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Solution

The fourth proportional to 201,000.96, 300,879.36 and 171,141.12 is: 256,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,000.96 : 300,879.36 = 171,141.12 : x
  2. Step 2: Convert to fraction form
    201,000.96/300,879.36 = 171,141.12/x
  3. Step 3: Cross multiply
    201,000.96x = 300,879.36 × 171,141.12
  4. Step 4: Simplify right side
    201,000.96x = 51,492,830,655.28
  5. Step 5: Solve for x
    x = 51,492,830,655.28/201,000.96
  6. Step 6: Final answer
    x = 256,182.01

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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.