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Finding the Fourth Proportional to 171,472.50, 236,628.86 and 94,989.90

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Solution

The fourth proportional to 171,472.50, 236,628.86 and 94,989.90 is: 131,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,472.50 : 236,628.86 = 94,989.90 : x
  2. Step 2: Convert to fraction form
    171,472.50/236,628.86 = 94,989.90/x
  3. Step 3: Cross multiply
    171,472.50x = 236,628.86 × 94,989.90
  4. Step 4: Simplify right side
    171,472.50x = 22,477,352,695.24
  5. Step 5: Solve for x
    x = 22,477,352,695.24/171,472.50
  6. Step 6: Final answer
    x = 131,084.30

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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.