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Finding the Fourth Proportional to 323,165.32, 484,969.41 and 112,803.26

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Solution

The fourth proportional to 323,165.32, 484,969.41 and 112,803.26 is: 169,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,165.32 : 484,969.41 = 112,803.26 : x
  2. Step 2: Convert to fraction form
    323,165.32/484,969.41 = 112,803.26/x
  3. Step 3: Cross multiply
    323,165.32x = 484,969.41 × 112,803.26
  4. Step 4: Simplify right side
    323,165.32x = 54,706,128,023.43
  5. Step 5: Solve for x
    x = 54,706,128,023.43/323,165.32
  6. Step 6: Final answer
    x = 169,282.18

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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.