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Finding the Fourth Proportional to 114,023.96, 171,036.30 and 67,244

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Solution

The fourth proportional to 114,023.96, 171,036.30 and 67,244 is: 100,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,023.96 : 171,036.30 = 67,244 : x
  2. Step 2: Convert to fraction form
    114,023.96/171,036.30 = 67,244/x
  3. Step 3: Cross multiply
    114,023.96x = 171,036.30 × 67,244
  4. Step 4: Simplify right side
    114,023.96x = 11,501,164,957.20
  5. Step 5: Solve for x
    x = 11,501,164,957.20/114,023.96
  6. Step 6: Final answer
    x = 100,866.21

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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.