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Finding the Fourth Proportional to 181,142.10, 271,713.15 and 134,486.10

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Solution

The fourth proportional to 181,142.10, 271,713.15 and 134,486.10 is: 201,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,142.10 : 271,713.15 = 134,486.10 : x
  2. Step 2: Convert to fraction form
    181,142.10/271,713.15 = 134,486.10/x
  3. Step 3: Cross multiply
    181,142.10x = 271,713.15 × 134,486.10
  4. Step 4: Simplify right side
    181,142.10x = 36,541,641,862.22
  5. Step 5: Solve for x
    x = 36,541,641,862.22/181,142.10
  6. Step 6: Final answer
    x = 201,729.15

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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.