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Finding the Fourth Proportional to 295,305.70, 442,958.55 and 137,550.10

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Solution

The fourth proportional to 295,305.70, 442,958.55 and 137,550.10 is: 206,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,305.70 : 442,958.55 = 137,550.10 : x
  2. Step 2: Convert to fraction form
    295,305.70/442,958.55 = 137,550.10/x
  3. Step 3: Cross multiply
    295,305.70x = 442,958.55 × 137,550.10
  4. Step 4: Simplify right side
    295,305.70x = 60,928,992,848.36
  5. Step 5: Solve for x
    x = 60,928,992,848.36/295,305.70
  6. Step 6: Final answer
    x = 206,325.15

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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.