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Finding the Fourth Proportional to 181,070.60, 271,605.90 and 134,414.60

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Solution

The fourth proportional to 181,070.60, 271,605.90 and 134,414.60 is: 201,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,070.60 : 271,605.90 = 134,414.60 : x
  2. Step 2: Convert to fraction form
    181,070.60/271,605.90 = 134,414.60/x
  3. Step 3: Cross multiply
    181,070.60x = 271,605.90 × 134,414.60
  4. Step 4: Simplify right side
    181,070.60x = 36,507,798,406.14
  5. Step 5: Solve for x
    x = 36,507,798,406.14/181,070.60
  6. Step 6: Final answer
    x = 201,621.90

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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.