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Finding the Fourth Proportional to 161,168.92, 241,832.58 and 72,485.08

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Solution

The fourth proportional to 161,168.92, 241,832.58 and 72,485.08 is: 108,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,168.92 : 241,832.58 = 72,485.08 : x
  2. Step 2: Convert to fraction form
    161,168.92/241,832.58 = 72,485.08/x
  3. Step 3: Cross multiply
    161,168.92x = 241,832.58 × 72,485.08
  4. Step 4: Simplify right side
    161,168.92x = 17,529,253,907.91
  5. Step 5: Solve for x
    x = 17,529,253,907.91/161,168.92
  6. Step 6: Final answer
    x = 108,763.24

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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.