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Finding the Fourth Proportional to 160,297.45, 240,470.78 and 55,091.81

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Solution

The fourth proportional to 160,297.45, 240,470.78 and 55,091.81 is: 82,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,297.45 : 240,470.78 = 55,091.81 : x
  2. Step 2: Convert to fraction form
    160,297.45/240,470.78 = 55,091.81/x
  3. Step 3: Cross multiply
    160,297.45x = 240,470.78 × 55,091.81
  4. Step 4: Simplify right side
    160,297.45x = 13,247,970,848.03
  5. Step 5: Solve for x
    x = 13,247,970,848.03/160,297.45
  6. Step 6: Final answer
    x = 82,646.17

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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.