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Finding the Fourth Proportional to 244,903.20, 367,570.80 and 144,938.40

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Solution

The fourth proportional to 244,903.20, 367,570.80 and 144,938.40 is: 217,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,903.20 : 367,570.80 = 144,938.40 : x
  2. Step 2: Convert to fraction form
    244,903.20/367,570.80 = 144,938.40/x
  3. Step 3: Cross multiply
    244,903.20x = 367,570.80 × 144,938.40
  4. Step 4: Simplify right side
    244,903.20x = 53,275,123,638.72
  5. Step 5: Solve for x
    x = 53,275,123,638.72/244,903.20
  6. Step 6: Final answer
    x = 217,535.43

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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.