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Finding the Fourth Proportional to 274,364.82, 411,563.16 and 105,886.08

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Solution

The fourth proportional to 274,364.82, 411,563.16 and 105,886.08 is: 158,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,364.82 : 411,563.16 = 105,886.08 : x
  2. Step 2: Convert to fraction form
    274,364.82/411,563.16 = 105,886.08/x
  3. Step 3: Cross multiply
    274,364.82x = 411,563.16 × 105,886.08
  4. Step 4: Simplify right side
    274,364.82x = 43,578,809,684.81
  5. Step 5: Solve for x
    x = 43,578,809,684.81/274,364.82
  6. Step 6: Final answer
    x = 158,835.27

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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.