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Finding the Fourth Proportional to 365,416.65, 548,118.96 and 109,249.83

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Solution

The fourth proportional to 365,416.65, 548,118.96 and 109,249.83 is: 163,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,416.65 : 548,118.96 = 109,249.83 : x
  2. Step 2: Convert to fraction form
    365,416.65/548,118.96 = 109,249.83/x
  3. Step 3: Cross multiply
    365,416.65x = 548,118.96 × 109,249.83
  4. Step 4: Simplify right side
    365,416.65x = 59,881,903,199.78
  5. Step 5: Solve for x
    x = 59,881,903,199.78/365,416.65
  6. Step 6: Final answer
    x = 163,872.95

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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.