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Finding the Fourth Proportional to 268,516.50, 370,544.88 and 147,657.66

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Solution

The fourth proportional to 268,516.50, 370,544.88 and 147,657.66 is: 203,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,516.50 : 370,544.88 = 147,657.66 : x
  2. Step 2: Convert to fraction form
    268,516.50/370,544.88 = 147,657.66/x
  3. Step 3: Cross multiply
    268,516.50x = 370,544.88 × 147,657.66
  4. Step 4: Simplify right side
    268,516.50x = 54,713,789,905.78
  5. Step 5: Solve for x
    x = 54,713,789,905.78/268,516.50
  6. Step 6: Final answer
    x = 203,763.23

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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.