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Finding the Fourth Proportional to 181,244.40, 271,866.60 and 48,145.20

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Solution

The fourth proportional to 181,244.40, 271,866.60 and 48,145.20 is: 72,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,244.40 : 271,866.60 = 48,145.20 : x
  2. Step 2: Convert to fraction form
    181,244.40/271,866.60 = 48,145.20/x
  3. Step 3: Cross multiply
    181,244.40x = 271,866.60 × 48,145.20
  4. Step 4: Simplify right side
    181,244.40x = 13,089,071,830.32
  5. Step 5: Solve for x
    x = 13,089,071,830.32/181,244.40
  6. Step 6: Final answer
    x = 72,217.80

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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.