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Finding the Fourth Proportional to 453,881.92, 680,896.80 and 134,066.24

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Solution

The fourth proportional to 453,881.92, 680,896.80 and 134,066.24 is: 201,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,881.92 : 680,896.80 = 134,066.24 : x
  2. Step 2: Convert to fraction form
    453,881.92/680,896.80 = 134,066.24/x
  3. Step 3: Cross multiply
    453,881.92x = 680,896.80 × 134,066.24
  4. Step 4: Simplify right side
    453,881.92x = 91,285,273,804.03
  5. Step 5: Solve for x
    x = 91,285,273,804.03/453,881.92
  6. Step 6: Final answer
    x = 201,121.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.