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Finding the Fourth Proportional to 88,980.16, 122,788.92 and 48,692.92

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Solution

The fourth proportional to 88,980.16, 122,788.92 and 48,692.92 is: 67,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,980.16 : 122,788.92 = 48,692.92 : x
  2. Step 2: Convert to fraction form
    88,980.16/122,788.92 = 48,692.92/x
  3. Step 3: Cross multiply
    88,980.16x = 122,788.92 × 48,692.92
  4. Step 4: Simplify right side
    88,980.16x = 5,978,951,058.45
  5. Step 5: Solve for x
    x = 5,978,951,058.45/88,980.16
  6. Step 6: Final answer
    x = 67,194.20

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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.