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Finding the Fourth Proportional to 133,429.44, 184,114.45 and 79,703.05

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Solution

The fourth proportional to 133,429.44, 184,114.45 and 79,703.05 is: 109,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,429.44 : 184,114.45 = 79,703.05 : x
  2. Step 2: Convert to fraction form
    133,429.44/184,114.45 = 79,703.05/x
  3. Step 3: Cross multiply
    133,429.44x = 184,114.45 × 79,703.05
  4. Step 4: Simplify right side
    133,429.44x = 14,674,481,894.99
  5. Step 5: Solve for x
    x = 14,674,481,894.99/133,429.44
  6. Step 6: Final answer
    x = 109,979.35

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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.