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Finding the Fourth Proportional to 244,953.15, 338,009.22 and 137,535

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Solution

The fourth proportional to 244,953.15, 338,009.22 and 137,535 is: 189,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,953.15 : 338,009.22 = 137,535 : x
  2. Step 2: Convert to fraction form
    244,953.15/338,009.22 = 137,535/x
  3. Step 3: Cross multiply
    244,953.15x = 338,009.22 × 137,535
  4. Step 4: Simplify right side
    244,953.15x = 46,488,098,072.70
  5. Step 5: Solve for x
    x = 46,488,098,072.70/244,953.15
  6. Step 6: Final answer
    x = 189,783.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.