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Finding the Fourth Proportional to 241,810.40, 363,007.20 and 135,279.20

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Solution

The fourth proportional to 241,810.40, 363,007.20 and 135,279.20 is: 203,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,810.40 : 363,007.20 = 135,279.20 : x
  2. Step 2: Convert to fraction form
    241,810.40/363,007.20 = 135,279.20/x
  3. Step 3: Cross multiply
    241,810.40x = 363,007.20 × 135,279.20
  4. Step 4: Simplify right side
    241,810.40x = 49,107,323,610.24
  5. Step 5: Solve for x
    x = 49,107,323,610.24/241,810.40
  6. Step 6: Final answer
    x = 203,081.93

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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.