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Finding the Fourth Proportional to 270,549.80, 373,334.16 and 155,797.88

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Solution

The fourth proportional to 270,549.80, 373,334.16 and 155,797.88 is: 214,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,549.80 : 373,334.16 = 155,797.88 : x
  2. Step 2: Convert to fraction form
    270,549.80/373,334.16 = 155,797.88/x
  3. Step 3: Cross multiply
    270,549.80x = 373,334.16 × 155,797.88
  4. Step 4: Simplify right side
    270,549.80x = 58,164,670,659.58
  5. Step 5: Solve for x
    x = 58,164,670,659.58/270,549.80
  6. Step 6: Final answer
    x = 214,986.93

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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.