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Finding the Fourth Proportional to 455,032.93, 682,559.96 and 118,086.87

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Solution

The fourth proportional to 455,032.93, 682,559.96 and 118,086.87 is: 177,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,032.93 : 682,559.96 = 118,086.87 : x
  2. Step 2: Convert to fraction form
    455,032.93/682,559.96 = 118,086.87/x
  3. Step 3: Cross multiply
    455,032.93x = 682,559.96 × 118,086.87
  4. Step 4: Simplify right side
    455,032.93x = 80,601,368,673.29
  5. Step 5: Solve for x
    x = 80,601,368,673.29/455,032.93
  6. Step 6: Final answer
    x = 177,133.05

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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.