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Finding the Fourth Proportional to 162,848.70, 244,273.05 and 120,858.30

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Solution

The fourth proportional to 162,848.70, 244,273.05 and 120,858.30 is: 181,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,848.70 : 244,273.05 = 120,858.30 : x
  2. Step 2: Convert to fraction form
    162,848.70/244,273.05 = 120,858.30/x
  3. Step 3: Cross multiply
    162,848.70x = 244,273.05 × 120,858.30
  4. Step 4: Simplify right side
    162,848.70x = 29,522,425,558.82
  5. Step 5: Solve for x
    x = 29,522,425,558.82/162,848.70
  6. Step 6: Final answer
    x = 181,287.45

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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.