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Finding the Fourth Proportional to 123,577.92, 185,376.60 and 48,692.88

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Solution

The fourth proportional to 123,577.92, 185,376.60 and 48,692.88 is: 73,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,577.92 : 185,376.60 = 48,692.88 : x
  2. Step 2: Convert to fraction form
    123,577.92/185,376.60 = 48,692.88/x
  3. Step 3: Cross multiply
    123,577.92x = 185,376.60 × 48,692.88
  4. Step 4: Simplify right side
    123,577.92x = 9,026,520,538.61
  5. Step 5: Solve for x
    x = 9,026,520,538.61/123,577.92
  6. Step 6: Final answer
    x = 73,043.15

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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.