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Finding the Fourth Proportional to 160,898.81, 222,050.97 and 92,918.64

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Solution

The fourth proportional to 160,898.81, 222,050.97 and 92,918.64 is: 128,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,898.81 : 222,050.97 = 92,918.64 : x
  2. Step 2: Convert to fraction form
    160,898.81/222,050.97 = 92,918.64/x
  3. Step 3: Cross multiply
    160,898.81x = 222,050.97 × 92,918.64
  4. Step 4: Simplify right side
    160,898.81x = 20,632,674,143.08
  5. Step 5: Solve for x
    x = 20,632,674,143.08/160,898.81
  6. Step 6: Final answer
    x = 128,233.85

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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.