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Finding the Fourth Proportional to 268,551.92, 370,594.26 and 147,693.20

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Solution

The fourth proportional to 268,551.92, 370,594.26 and 147,693.20 is: 203,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,551.92 : 370,594.26 = 147,693.20 : x
  2. Step 2: Convert to fraction form
    268,551.92/370,594.26 = 147,693.20/x
  3. Step 3: Cross multiply
    268,551.92x = 370,594.26 × 147,693.20
  4. Step 4: Simplify right side
    268,551.92x = 54,734,252,161.03
  5. Step 5: Solve for x
    x = 54,734,252,161.03/268,551.92
  6. Step 6: Final answer
    x = 203,812.55

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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.