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Finding the Fourth Proportional to 303,808.08, 455,767.49 and 104,148.64

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Solution

The fourth proportional to 303,808.08, 455,767.49 and 104,148.64 is: 156,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,808.08 : 455,767.49 = 104,148.64 : x
  2. Step 2: Convert to fraction form
    303,808.08/455,767.49 = 104,148.64/x
  3. Step 3: Cross multiply
    303,808.08x = 455,767.49 × 104,148.64
  4. Step 4: Simplify right side
    303,808.08x = 47,467,564,239.71
  5. Step 5: Solve for x
    x = 47,467,564,239.71/303,808.08
  6. Step 6: Final answer
    x = 156,241.94

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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.