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Finding the Fourth Proportional to 244,925.70, 366,934.95 and 139,431.30

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Solution

The fourth proportional to 244,925.70, 366,934.95 and 139,431.30 is: 208,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,925.70 : 366,934.95 = 139,431.30 : x
  2. Step 2: Convert to fraction form
    244,925.70/366,934.95 = 139,431.30/x
  3. Step 3: Cross multiply
    244,925.70x = 366,934.95 × 139,431.30
  4. Step 4: Simplify right side
    244,925.70x = 51,162,217,093.94
  5. Step 5: Solve for x
    x = 51,162,217,093.94/244,925.70
  6. Step 6: Final answer
    x = 208,888.72

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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.