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Finding the Fourth Proportional to 270,599.67, 373,467.21 and 155,855.98

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Solution

The fourth proportional to 270,599.67, 373,467.21 and 155,855.98 is: 215,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,599.67 : 373,467.21 = 155,855.98 : x
  2. Step 2: Convert to fraction form
    270,599.67/373,467.21 = 155,855.98/x
  3. Step 3: Cross multiply
    270,599.67x = 373,467.21 × 155,855.98
  4. Step 4: Simplify right side
    270,599.67x = 58,207,097,894.79
  5. Step 5: Solve for x
    x = 58,207,097,894.79/270,599.67
  6. Step 6: Final answer
    x = 215,104.10

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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.