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Finding the Fourth Proportional to 181,114.40, 271,671.60 and 48,015.20

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Solution

The fourth proportional to 181,114.40, 271,671.60 and 48,015.20 is: 72,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,114.40 : 271,671.60 = 48,015.20 : x
  2. Step 2: Convert to fraction form
    181,114.40/271,671.60 = 48,015.20/x
  3. Step 3: Cross multiply
    181,114.40x = 271,671.60 × 48,015.20
  4. Step 4: Simplify right side
    181,114.40x = 13,044,366,208.32
  5. Step 5: Solve for x
    x = 13,044,366,208.32/181,114.40
  6. Step 6: Final answer
    x = 72,022.80

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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.