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Finding the Fourth Proportional to 191,661.36, 264,382.88 and 119,916.82

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Solution

The fourth proportional to 191,661.36, 264,382.88 and 119,916.82 is: 165,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,661.36 : 264,382.88 = 119,916.82 : x
  2. Step 2: Convert to fraction form
    191,661.36/264,382.88 = 119,916.82/x
  3. Step 3: Cross multiply
    191,661.36x = 264,382.88 × 119,916.82
  4. Step 4: Simplify right side
    191,661.36x = 31,703,954,232.04
  5. Step 5: Solve for x
    x = 31,703,954,232.04/191,661.36
  6. Step 6: Final answer
    x = 165,416.52

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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.