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Finding the Fourth Proportional to 184,489.79, 254,567.79 and 103,912.20

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Solution

The fourth proportional to 184,489.79, 254,567.79 and 103,912.20 is: 143,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,489.79 : 254,567.79 = 103,912.20 : x
  2. Step 2: Convert to fraction form
    184,489.79/254,567.79 = 103,912.20/x
  3. Step 3: Cross multiply
    184,489.79x = 254,567.79 × 103,912.20
  4. Step 4: Simplify right side
    184,489.79x = 26,452,699,108.04
  5. Step 5: Solve for x
    x = 26,452,699,108.04/184,489.79
  6. Step 6: Final answer
    x = 143,383.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.