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Finding the Fourth Proportional to 270,605.68, 373,475.48 and 155,861.98

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Solution

The fourth proportional to 270,605.68, 373,475.48 and 155,861.98 is: 215,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,605.68 : 373,475.48 = 155,861.98 : x
  2. Step 2: Convert to fraction form
    270,605.68/373,475.48 = 155,861.98/x
  3. Step 3: Cross multiply
    270,605.68x = 373,475.48 × 155,861.98
  4. Step 4: Simplify right side
    270,605.68x = 58,210,627,794.25
  5. Step 5: Solve for x
    x = 58,210,627,794.25/270,605.68
  6. Step 6: Final answer
    x = 215,112.36

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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.