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Finding the Fourth Proportional to 253,584.83, 380,427.93 and 93,661.67

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Solution

The fourth proportional to 253,584.83, 380,427.93 and 93,661.67 is: 140,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,584.83 : 380,427.93 = 93,661.67 : x
  2. Step 2: Convert to fraction form
    253,584.83/380,427.93 = 93,661.67/x
  3. Step 3: Cross multiply
    253,584.83x = 380,427.93 × 93,661.67
  4. Step 4: Simplify right side
    253,584.83x = 35,631,513,336.30
  5. Step 5: Solve for x
    x = 35,631,513,336.30/253,584.83
  6. Step 6: Final answer
    x = 140,511.22

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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.