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Finding the Fourth Proportional to 335,110.40, 502,568.40 and 121,853.60

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Solution

The fourth proportional to 335,110.40, 502,568.40 and 121,853.60 is: 182,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,110.40 : 502,568.40 = 121,853.60 : x
  2. Step 2: Convert to fraction form
    335,110.40/502,568.40 = 121,853.60/x
  3. Step 3: Cross multiply
    335,110.40x = 502,568.40 × 121,853.60
  4. Step 4: Simplify right side
    335,110.40x = 61,239,768,786.24
  5. Step 5: Solve for x
    x = 61,239,768,786.24/335,110.40
  6. Step 6: Final answer
    x = 182,745.06

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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.