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Finding the Fourth Proportional to 244,938.70, 366,954.45 and 139,444.30

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Solution

The fourth proportional to 244,938.70, 366,954.45 and 139,444.30 is: 208,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,938.70 : 366,954.45 = 139,444.30 : x
  2. Step 2: Convert to fraction form
    244,938.70/366,954.45 = 139,444.30/x
  3. Step 3: Cross multiply
    244,938.70x = 366,954.45 × 139,444.30
  4. Step 4: Simplify right side
    244,938.70x = 51,169,706,412.14
  5. Step 5: Solve for x
    x = 51,169,706,412.14/244,938.70
  6. Step 6: Final answer
    x = 208,908.21

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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.