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Finding the Fourth Proportional to 273,504.04, 410,184.57 and 81,326.72

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Solution

The fourth proportional to 273,504.04, 410,184.57 and 81,326.72 is: 121,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,504.04 : 410,184.57 = 81,326.72 : x
  2. Step 2: Convert to fraction form
    273,504.04/410,184.57 = 81,326.72/x
  3. Step 3: Cross multiply
    273,504.04x = 410,184.57 × 81,326.72
  4. Step 4: Simplify right side
    273,504.04x = 33,358,963,215.15
  5. Step 5: Solve for x
    x = 33,358,963,215.15/273,504.04
  6. Step 6: Final answer
    x = 121,968.81

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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.