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Finding the Fourth Proportional to 171,361.79, 236,482.19 and 93,844.25

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Solution

The fourth proportional to 171,361.79, 236,482.19 and 93,844.25 is: 129,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,361.79 : 236,482.19 = 93,844.25 : x
  2. Step 2: Convert to fraction form
    171,361.79/236,482.19 = 93,844.25/x
  3. Step 3: Cross multiply
    171,361.79x = 236,482.19 × 93,844.25
  4. Step 4: Simplify right side
    171,361.79x = 22,192,492,107.28
  5. Step 5: Solve for x
    x = 22,192,492,107.28/171,361.79
  6. Step 6: Final answer
    x = 129,506.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.