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Finding the Fourth Proportional to 244,699.79, 337,701.22 and 137,276.78

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Solution

The fourth proportional to 244,699.79, 337,701.22 and 137,276.78 is: 189,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,699.79 : 337,701.22 = 137,276.78 : x
  2. Step 2: Convert to fraction form
    244,699.79/337,701.22 = 137,276.78/x
  3. Step 3: Cross multiply
    244,699.79x = 337,701.22 × 137,276.78
  4. Step 4: Simplify right side
    244,699.79x = 46,358,534,051.97
  5. Step 5: Solve for x
    x = 46,358,534,051.97/244,699.79
  6. Step 6: Final answer
    x = 189,450.65

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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.