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Finding the Fourth Proportional to 123,373.60, 184,930.80 and 48,464.80

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Solution

The fourth proportional to 123,373.60, 184,930.80 and 48,464.80 is: 72,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,373.60 : 184,930.80 = 48,464.80 : x
  2. Step 2: Convert to fraction form
    123,373.60/184,930.80 = 48,464.80/x
  3. Step 3: Cross multiply
    123,373.60x = 184,930.80 × 48,464.80
  4. Step 4: Simplify right side
    123,373.60x = 8,962,634,235.84
  5. Step 5: Solve for x
    x = 8,962,634,235.84/123,373.60
  6. Step 6: Final answer
    x = 72,646.29

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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.