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Finding the Fourth Proportional to 366,103.49, 549,316.82 and 126,253.98

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Solution

The fourth proportional to 366,103.49, 549,316.82 and 126,253.98 is: 189,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,103.49 : 549,316.82 = 126,253.98 : x
  2. Step 2: Convert to fraction form
    366,103.49/549,316.82 = 126,253.98/x
  3. Step 3: Cross multiply
    366,103.49x = 549,316.82 × 126,253.98
  4. Step 4: Simplify right side
    366,103.49x = 69,353,434,174.67
  5. Step 5: Solve for x
    x = 69,353,434,174.67/366,103.49
  6. Step 6: Final answer
    x = 189,436.69

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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.