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Finding the Fourth Proportional to 195,842.40, 293,763.60 and 125,858.40

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Solution

The fourth proportional to 195,842.40, 293,763.60 and 125,858.40 is: 188,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,842.40 : 293,763.60 = 125,858.40 : x
  2. Step 2: Convert to fraction form
    195,842.40/293,763.60 = 125,858.40/x
  3. Step 3: Cross multiply
    195,842.40x = 293,763.60 × 125,858.40
  4. Step 4: Simplify right side
    195,842.40x = 36,972,616,674.24
  5. Step 5: Solve for x
    x = 36,972,616,674.24/195,842.40
  6. Step 6: Final answer
    x = 188,787.60

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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.