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Finding the Fourth Proportional to 244,139.80, 366,209.70 and 149,661.40

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Solution

The fourth proportional to 244,139.80, 366,209.70 and 149,661.40 is: 224,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,139.80 : 366,209.70 = 149,661.40 : x
  2. Step 2: Convert to fraction form
    244,139.80/366,209.70 = 149,661.40/x
  3. Step 3: Cross multiply
    244,139.80x = 366,209.70 × 149,661.40
  4. Step 4: Simplify right side
    244,139.80x = 54,807,456,395.58
  5. Step 5: Solve for x
    x = 54,807,456,395.58/244,139.80
  6. Step 6: Final answer
    x = 224,492.10

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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.