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Finding the Fourth Proportional to 88,398.37, 132,392.48 and 50,865.40

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Solution

The fourth proportional to 88,398.37, 132,392.48 and 50,865.40 is: 76,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,398.37 : 132,392.48 = 50,865.40 : x
  2. Step 2: Convert to fraction form
    88,398.37/132,392.48 = 50,865.40/x
  3. Step 3: Cross multiply
    88,398.37x = 132,392.48 × 50,865.40
  4. Step 4: Simplify right side
    88,398.37x = 6,734,196,363.36
  5. Step 5: Solve for x
    x = 6,734,196,363.36/88,398.37
  6. Step 6: Final answer
    x = 76,180.10

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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.