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Finding the Fourth Proportional to 119,040.84, 164,276.28 and 68,739.84

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Solution

The fourth proportional to 119,040.84, 164,276.28 and 68,739.84 is: 94,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,040.84 : 164,276.28 = 68,739.84 : x
  2. Step 2: Convert to fraction form
    119,040.84/164,276.28 = 68,739.84/x
  3. Step 3: Cross multiply
    119,040.84x = 164,276.28 × 68,739.84
  4. Step 4: Simplify right side
    119,040.84x = 11,292,325,203.00
  5. Step 5: Solve for x
    x = 11,292,325,203.00/119,040.84
  6. Step 6: Final answer
    x = 94,860.93

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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.