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Finding the Fourth Proportional to 119,803.84, 165,326.60 and 66,093.96

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Solution

The fourth proportional to 119,803.84, 165,326.60 and 66,093.96 is: 91,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,803.84 : 165,326.60 = 66,093.96 : x
  2. Step 2: Convert to fraction form
    119,803.84/165,326.60 = 66,093.96/x
  3. Step 3: Cross multiply
    119,803.84x = 165,326.60 × 66,093.96
  4. Step 4: Simplify right side
    119,803.84x = 10,927,089,687.34
  5. Step 5: Solve for x
    x = 10,927,089,687.34/119,803.84
  6. Step 6: Final answer
    x = 91,208.18

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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.