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Finding the Fourth Proportional to 244,957.50, 338,015.43 and 137,539.62

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Solution

The fourth proportional to 244,957.50, 338,015.43 and 137,539.62 is: 189,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,957.50 : 338,015.43 = 137,539.62 : x
  2. Step 2: Convert to fraction form
    244,957.50/338,015.43 = 137,539.62/x
  3. Step 3: Cross multiply
    244,957.50x = 338,015.43 × 137,539.62
  4. Step 4: Simplify right side
    244,957.50x = 46,490,513,796.34
  5. Step 5: Solve for x
    x = 46,490,513,796.34/244,957.50
  6. Step 6: Final answer
    x = 189,790.12

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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.