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Finding the Fourth Proportional to 270,725.76, 406,085.76 and 104,397.12

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Solution

The fourth proportional to 270,725.76, 406,085.76 and 104,397.12 is: 156,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,725.76 : 406,085.76 = 104,397.12 : x
  2. Step 2: Convert to fraction form
    270,725.76/406,085.76 = 104,397.12/x
  3. Step 3: Cross multiply
    270,725.76x = 406,085.76 × 104,397.12
  4. Step 4: Simplify right side
    270,725.76x = 42,394,183,817.01
  5. Step 5: Solve for x
    x = 42,394,183,817.01/270,725.76
  6. Step 6: Final answer
    x = 156,594.57

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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.