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Finding the Fourth Proportional to 123,156.99, 184,661.24 and 48,187.62

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Solution

The fourth proportional to 123,156.99, 184,661.24 and 48,187.62 is: 72,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,156.99 : 184,661.24 = 48,187.62 : x
  2. Step 2: Convert to fraction form
    123,156.99/184,661.24 = 48,187.62/x
  3. Step 3: Cross multiply
    123,156.99x = 184,661.24 × 48,187.62
  4. Step 4: Simplify right side
    123,156.99x = 8,898,385,420.91
  5. Step 5: Solve for x
    x = 8,898,385,420.91/123,156.99
  6. Step 6: Final answer
    x = 72,252.38

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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.