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Finding the Fourth Proportional to 88,563.88, 132,748.62 and 49,107.16

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Solution

The fourth proportional to 88,563.88, 132,748.62 and 49,107.16 is: 73,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,563.88 : 132,748.62 = 49,107.16 : x
  2. Step 2: Convert to fraction form
    88,563.88/132,748.62 = 49,107.16/x
  3. Step 3: Cross multiply
    88,563.88x = 132,748.62 × 49,107.16
  4. Step 4: Simplify right side
    88,563.88x = 6,518,907,722.12
  5. Step 5: Solve for x
    x = 6,518,907,722.12/88,563.88
  6. Step 6: Final answer
    x = 73,606.84

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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.