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Finding the Fourth Proportional to 270,409.37, 373,192.97 and 155,692.10

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Solution

The fourth proportional to 270,409.37, 373,192.97 and 155,692.10 is: 214,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,409.37 : 373,192.97 = 155,692.10 : x
  2. Step 2: Convert to fraction form
    270,409.37/373,192.97 = 155,692.10/x
  3. Step 3: Cross multiply
    270,409.37x = 373,192.97 × 155,692.10
  4. Step 4: Simplify right side
    270,409.37x = 58,103,197,359.06
  5. Step 5: Solve for x
    x = 58,103,197,359.06/270,409.37
  6. Step 6: Final answer
    x = 214,871.25

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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.