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Finding the Fourth Proportional to 191,382.82, 263,834.52 and 134,618.02

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Solution

The fourth proportional to 191,382.82, 263,834.52 and 134,618.02 is: 185,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,382.82 : 263,834.52 = 134,618.02 : x
  2. Step 2: Convert to fraction form
    191,382.82/263,834.52 = 134,618.02/x
  3. Step 3: Cross multiply
    191,382.82x = 263,834.52 × 134,618.02
  4. Step 4: Simplify right side
    191,382.82x = 35,516,880,690.05
  5. Step 5: Solve for x
    x = 35,516,880,690.05/191,382.82
  6. Step 6: Final answer
    x = 185,580.30

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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.