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Finding the Fourth Proportional to 276,200.60, 414,009.30 and 107,655.80

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Solution

The fourth proportional to 276,200.60, 414,009.30 and 107,655.80 is: 161,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,200.60 : 414,009.30 = 107,655.80 : x
  2. Step 2: Convert to fraction form
    276,200.60/414,009.30 = 107,655.80/x
  3. Step 3: Cross multiply
    276,200.60x = 414,009.30 × 107,655.80
  4. Step 4: Simplify right side
    276,200.60x = 44,570,502,398.94
  5. Step 5: Solve for x
    x = 44,570,502,398.94/276,200.60
  6. Step 6: Final answer
    x = 161,370.04

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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.