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Finding the Fourth Proportional to 270,169.56, 405,035.68 and 112,516.04

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Solution

The fourth proportional to 270,169.56, 405,035.68 and 112,516.04 is: 168,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,169.56 : 405,035.68 = 112,516.04 : x
  2. Step 2: Convert to fraction form
    270,169.56/405,035.68 = 112,516.04/x
  3. Step 3: Cross multiply
    270,169.56x = 405,035.68 × 112,516.04
  4. Step 4: Simplify right side
    270,169.56x = 45,573,010,772.31
  5. Step 5: Solve for x
    x = 45,573,010,772.31/270,169.56
  6. Step 6: Final answer
    x = 168,683.00

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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.