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Finding the Fourth Proportional to 181,479.40, 272,219.10 and 173,314.60

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Solution

The fourth proportional to 181,479.40, 272,219.10 and 173,314.60 is: 259,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,479.40 : 272,219.10 = 173,314.60 : x
  2. Step 2: Convert to fraction form
    181,479.40/272,219.10 = 173,314.60/x
  3. Step 3: Cross multiply
    181,479.40x = 272,219.10 × 173,314.60
  4. Step 4: Simplify right side
    181,479.40x = 47,179,544,428.86
  5. Step 5: Solve for x
    x = 47,179,544,428.86/181,479.40
  6. Step 6: Final answer
    x = 259,971.90

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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.