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Finding the Fourth Proportional to 123,368.58, 184,972.68 and 48,496.05

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Solution

The fourth proportional to 123,368.58, 184,972.68 and 48,496.05 is: 72,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,368.58 : 184,972.68 = 48,496.05 : x
  2. Step 2: Convert to fraction form
    123,368.58/184,972.68 = 48,496.05/x
  3. Step 3: Cross multiply
    123,368.58x = 184,972.68 × 48,496.05
  4. Step 4: Simplify right side
    123,368.58x = 8,970,444,337.91
  5. Step 5: Solve for x
    x = 8,970,444,337.91/123,368.58
  6. Step 6: Final answer
    x = 72,712.55

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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.