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Finding the Fourth Proportional to 244,105.20, 366,373.80 and 144,140.40

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Solution

The fourth proportional to 244,105.20, 366,373.80 and 144,140.40 is: 216,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,105.20 : 366,373.80 = 144,140.40 : x
  2. Step 2: Convert to fraction form
    244,105.20/366,373.80 = 144,140.40/x
  3. Step 3: Cross multiply
    244,105.20x = 366,373.80 × 144,140.40
  4. Step 4: Simplify right side
    244,105.20x = 52,809,266,081.52
  5. Step 5: Solve for x
    x = 52,809,266,081.52/244,105.20
  6. Step 6: Final answer
    x = 216,338.14

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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.