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Finding the Fourth Proportional to 362,256.12, 543,207.48 and 109,487.88

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Solution

The fourth proportional to 362,256.12, 543,207.48 and 109,487.88 is: 164,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,256.12 : 543,207.48 = 109,487.88 : x
  2. Step 2: Convert to fraction form
    362,256.12/543,207.48 = 109,487.88/x
  3. Step 3: Cross multiply
    362,256.12x = 543,207.48 × 109,487.88
  4. Step 4: Simplify right side
    362,256.12x = 59,474,635,385.34
  5. Step 5: Solve for x
    x = 59,474,635,385.34/362,256.12
  6. Step 6: Final answer
    x = 164,178.41

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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.