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Finding the Fourth Proportional to 191,795.94, 264,692.81 and 111,222.75

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Solution

The fourth proportional to 191,795.94, 264,692.81 and 111,222.75 is: 153,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,795.94 : 264,692.81 = 111,222.75 : x
  2. Step 2: Convert to fraction form
    191,795.94/264,692.81 = 111,222.75/x
  3. Step 3: Cross multiply
    191,795.94x = 264,692.81 × 111,222.75
  4. Step 4: Simplify right side
    191,795.94x = 29,439,861,677.31
  5. Step 5: Solve for x
    x = 29,439,861,677.31/191,795.94
  6. Step 6: Final answer
    x = 153,495.75

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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.