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Finding the Fourth Proportional to 163,137.96, 244,648.44 and 88,313.40

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Solution

The fourth proportional to 163,137.96, 244,648.44 and 88,313.40 is: 132,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,137.96 : 244,648.44 = 88,313.40 : x
  2. Step 2: Convert to fraction form
    163,137.96/244,648.44 = 88,313.40/x
  3. Step 3: Cross multiply
    163,137.96x = 244,648.44 × 88,313.40
  4. Step 4: Simplify right side
    163,137.96x = 21,605,735,541.10
  5. Step 5: Solve for x
    x = 21,605,735,541.10/163,137.96
  6. Step 6: Final answer
    x = 132,438.43

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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.