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Finding the Fourth Proportional to 244,920.70, 366,927.45 and 139,426.30

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Solution

The fourth proportional to 244,920.70, 366,927.45 and 139,426.30 is: 208,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,920.70 : 366,927.45 = 139,426.30 : x
  2. Step 2: Convert to fraction form
    244,920.70/366,927.45 = 139,426.30/x
  3. Step 3: Cross multiply
    244,920.70x = 366,927.45 × 139,426.30
  4. Step 4: Simplify right side
    244,920.70x = 51,159,336,721.94
  5. Step 5: Solve for x
    x = 51,159,336,721.94/244,920.70
  6. Step 6: Final answer
    x = 208,881.23

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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.