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Finding the Fourth Proportional to 241,722.84, 362,529.57 and 91,909.71

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Solution

The fourth proportional to 241,722.84, 362,529.57 and 91,909.71 is: 137,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,722.84 : 362,529.57 = 91,909.71 : x
  2. Step 2: Convert to fraction form
    241,722.84/362,529.57 = 91,909.71/x
  3. Step 3: Cross multiply
    241,722.84x = 362,529.57 × 91,909.71
  4. Step 4: Simplify right side
    241,722.84x = 33,319,987,645.12
  5. Step 5: Solve for x
    x = 33,319,987,645.12/241,722.84
  6. Step 6: Final answer
    x = 137,843.77

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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.