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Finding the Fourth Proportional to 268,554.94, 370,615.13 and 147,705.37

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Solution

The fourth proportional to 268,554.94, 370,615.13 and 147,705.37 is: 203,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,554.94 : 370,615.13 = 147,705.37 : x
  2. Step 2: Convert to fraction form
    268,554.94/370,615.13 = 147,705.37/x
  3. Step 3: Cross multiply
    268,554.94x = 370,615.13 × 147,705.37
  4. Step 4: Simplify right side
    268,554.94x = 54,741,843,793.08
  5. Step 5: Solve for x
    x = 54,741,843,793.08/268,554.94
  6. Step 6: Final answer
    x = 203,838.53

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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.