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Finding the Fourth Proportional to 122,405.71, 183,609.59 and 33,664.08

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Solution

The fourth proportional to 122,405.71, 183,609.59 and 33,664.08 is: 50,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,405.71 : 183,609.59 = 33,664.08 : x
  2. Step 2: Convert to fraction form
    122,405.71/183,609.59 = 33,664.08/x
  3. Step 3: Cross multiply
    122,405.71x = 183,609.59 × 33,664.08
  4. Step 4: Simplify right side
    122,405.71x = 6,181,047,930.34
  5. Step 5: Solve for x
    x = 6,181,047,930.34/122,405.71
  6. Step 6: Final answer
    x = 50,496.40

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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.