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Finding the Fourth Proportional to 174,371.16, 239,059.95 and 171,221.88

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Solution

The fourth proportional to 174,371.16, 239,059.95 and 171,221.88 is: 234,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,371.16 : 239,059.95 = 171,221.88 : x
  2. Step 2: Convert to fraction form
    174,371.16/239,059.95 = 171,221.88/x
  3. Step 3: Cross multiply
    174,371.16x = 239,059.95 × 171,221.88
  4. Step 4: Simplify right side
    174,371.16x = 40,932,294,071.71
  5. Step 5: Solve for x
    x = 40,932,294,071.71/174,371.16
  6. Step 6: Final answer
    x = 234,742.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.