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Finding the Fourth Proportional to 162,104.64, 223,822.92 and 104,777.88

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Solution

The fourth proportional to 162,104.64, 223,822.92 and 104,777.88 is: 144,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,104.64 : 223,822.92 = 104,777.88 : x
  2. Step 2: Convert to fraction form
    162,104.64/223,822.92 = 104,777.88/x
  3. Step 3: Cross multiply
    162,104.64x = 223,822.92 × 104,777.88
  4. Step 4: Simplify right side
    162,104.64x = 23,451,691,053.01
  5. Step 5: Solve for x
    x = 23,451,691,053.01/162,104.64
  6. Step 6: Final answer
    x = 144,670.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.