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Finding the Fourth Proportional to 191,692.36, 264,537.24 and 105,654.48

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Solution

The fourth proportional to 191,692.36, 264,537.24 and 105,654.48 is: 145,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,692.36 : 264,537.24 = 105,654.48 : x
  2. Step 2: Convert to fraction form
    191,692.36/264,537.24 = 105,654.48/x
  3. Step 3: Cross multiply
    191,692.36x = 264,537.24 × 105,654.48
  4. Step 4: Simplify right side
    191,692.36x = 27,949,544,532.84
  5. Step 5: Solve for x
    x = 27,949,544,532.84/191,692.36
  6. Step 6: Final answer
    x = 145,804.17

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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.