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Finding the Fourth Proportional to 165,980.60, 248,697.30 and 95,737.40

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Solution

The fourth proportional to 165,980.60, 248,697.30 and 95,737.40 is: 143,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,980.60 : 248,697.30 = 95,737.40 : x
  2. Step 2: Convert to fraction form
    165,980.60/248,697.30 = 95,737.40/x
  3. Step 3: Cross multiply
    165,980.60x = 248,697.30 × 95,737.40
  4. Step 4: Simplify right side
    165,980.60x = 23,809,632,889.02
  5. Step 5: Solve for x
    x = 23,809,632,889.02/165,980.60
  6. Step 6: Final answer
    x = 143,448.29

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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.