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Finding the Fourth Proportional to 123,189.99, 184,784.85 and 29,695.74

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Solution

The fourth proportional to 123,189.99, 184,784.85 and 29,695.74 is: 44,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,189.99 : 184,784.85 = 29,695.74 : x
  2. Step 2: Convert to fraction form
    123,189.99/184,784.85 = 29,695.74/x
  3. Step 3: Cross multiply
    123,189.99x = 184,784.85 × 29,695.74
  4. Step 4: Simplify right side
    123,189.99x = 5,487,322,861.54
  5. Step 5: Solve for x
    x = 5,487,322,861.54/123,189.99
  6. Step 6: Final answer
    x = 44,543.58

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1.5x scale

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.