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Finding the Fourth Proportional to 270,705.69, 373,613.88 and 155,962.48

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Solution

The fourth proportional to 270,705.69, 373,613.88 and 155,962.48 is: 215,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,705.69 : 373,613.88 = 155,962.48 : x
  2. Step 2: Convert to fraction form
    270,705.69/373,613.88 = 155,962.48/x
  3. Step 3: Cross multiply
    270,705.69x = 373,613.88 × 155,962.48
  4. Step 4: Simplify right side
    270,705.69x = 58,269,747,287.22
  5. Step 5: Solve for x
    x = 58,269,747,287.22/270,705.69
  6. Step 6: Final answer
    x = 215,251.28

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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.