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Finding the Fourth Proportional to 191,705.25, 264,549.69 and 104,491.09

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Solution

The fourth proportional to 191,705.25, 264,549.69 and 104,491.09 is: 144,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,705.25 : 264,549.69 = 104,491.09 : x
  2. Step 2: Convert to fraction form
    191,705.25/264,549.69 = 104,491.09/x
  3. Step 3: Cross multiply
    191,705.25x = 264,549.69 × 104,491.09
  4. Step 4: Simplify right side
    191,705.25x = 27,643,085,467.26
  5. Step 5: Solve for x
    x = 27,643,085,467.26/191,705.25
  6. Step 6: Final answer
    x = 144,195.77

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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.