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Finding the Fourth Proportional to 268,614.94, 370,680.81 and 147,756.19

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Solution

The fourth proportional to 268,614.94, 370,680.81 and 147,756.19 is: 203,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,614.94 : 370,680.81 = 147,756.19 : x
  2. Step 2: Convert to fraction form
    268,614.94/370,680.81 = 147,756.19/x
  3. Step 3: Cross multiply
    268,614.94x = 370,680.81 × 147,756.19
  4. Step 4: Simplify right side
    268,614.94x = 54,770,384,191.71
  5. Step 5: Solve for x
    x = 54,770,384,191.71/268,614.94
  6. Step 6: Final answer
    x = 203,899.25

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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.