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Finding the Fourth Proportional to 357,924.05, 536,855.32 and 168,339.86

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Solution

The fourth proportional to 357,924.05, 536,855.32 and 168,339.86 is: 252,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,924.05 : 536,855.32 = 168,339.86 : x
  2. Step 2: Convert to fraction form
    357,924.05/536,855.32 = 168,339.86/x
  3. Step 3: Cross multiply
    357,924.05x = 536,855.32 × 168,339.86
  4. Step 4: Simplify right side
    357,924.05x = 90,374,149,409.06
  5. Step 5: Solve for x
    x = 90,374,149,409.06/357,924.05
  6. Step 6: Final answer
    x = 252,495.33

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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.