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Finding the Fourth Proportional to 154,709.01, 232,279.09 and 79,883.15

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Solution

The fourth proportional to 154,709.01, 232,279.09 and 79,883.15 is: 119,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,709.01 : 232,279.09 = 79,883.15 : x
  2. Step 2: Convert to fraction form
    154,709.01/232,279.09 = 79,883.15/x
  3. Step 3: Cross multiply
    154,709.01x = 232,279.09 × 79,883.15
  4. Step 4: Simplify right side
    154,709.01x = 18,555,184,027.23
  5. Step 5: Solve for x
    x = 18,555,184,027.23/154,709.01
  6. Step 6: Final answer
    x = 119,936.03

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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.