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Finding the Fourth Proportional to 181,893.60, 272,840.40 and 162,866.70

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Solution

The fourth proportional to 181,893.60, 272,840.40 and 162,866.70 is: 244,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,893.60 : 272,840.40 = 162,866.70 : x
  2. Step 2: Convert to fraction form
    181,893.60/272,840.40 = 162,866.70/x
  3. Step 3: Cross multiply
    181,893.60x = 272,840.40 × 162,866.70
  4. Step 4: Simplify right side
    181,893.60x = 44,436,615,574.68
  5. Step 5: Solve for x
    x = 44,436,615,574.68/181,893.60
  6. Step 6: Final answer
    x = 244,300.05

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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.