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Finding the Fourth Proportional to 241,984.80, 363,085.20 and 84,326.40

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Solution

The fourth proportional to 241,984.80, 363,085.20 and 84,326.40 is: 126,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,984.80 : 363,085.20 = 84,326.40 : x
  2. Step 2: Convert to fraction form
    241,984.80/363,085.20 = 84,326.40/x
  3. Step 3: Cross multiply
    241,984.80x = 363,085.20 × 84,326.40
  4. Step 4: Simplify right side
    241,984.80x = 30,617,667,809.28
  5. Step 5: Solve for x
    x = 30,617,667,809.28/241,984.80
  6. Step 6: Final answer
    x = 126,527.24

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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.