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Finding the Fourth Proportional to 181,970.40, 273,004.20 and 162,384.60

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Solution

The fourth proportional to 181,970.40, 273,004.20 and 162,384.60 is: 243,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.40 : 273,004.20 = 162,384.60 : x
  2. Step 2: Convert to fraction form
    181,970.40/273,004.20 = 162,384.60/x
  3. Step 3: Cross multiply
    181,970.40x = 273,004.20 × 162,384.60
  4. Step 4: Simplify right side
    181,970.40x = 44,331,677,815.32
  5. Step 5: Solve for x
    x = 44,331,677,815.32/181,970.40
  6. Step 6: Final answer
    x = 243,620.27

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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.