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Finding the Fourth Proportional to 176,961, 244,259.55 and 120,405.18

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Solution

The fourth proportional to 176,961, 244,259.55 and 120,405.18 is: 166,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,961 : 244,259.55 = 120,405.18 : x
  2. Step 2: Convert to fraction form
    176,961/244,259.55 = 120,405.18/x
  3. Step 3: Cross multiply
    176,961x = 244,259.55 × 120,405.18
  4. Step 4: Simplify right side
    176,961x = 29,410,115,084.47
  5. Step 5: Solve for x
    x = 29,410,115,084.47/176,961
  6. Step 6: Final answer
    x = 166,195.46

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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.