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Finding the Fourth Proportional to 236,416.01, 354,424.41 and 109,990.98

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Solution

The fourth proportional to 236,416.01, 354,424.41 and 109,990.98 is: 164,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,416.01 : 354,424.41 = 109,990.98 : x
  2. Step 2: Convert to fraction form
    236,416.01/354,424.41 = 109,990.98/x
  3. Step 3: Cross multiply
    236,416.01x = 354,424.41 × 109,990.98
  4. Step 4: Simplify right side
    236,416.01x = 38,983,488,191.82
  5. Step 5: Solve for x
    x = 38,983,488,191.82/236,416.01
  6. Step 6: Final answer
    x = 164,893.61

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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.