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Finding the Fourth Proportional to 133,673, 184,468.74 and 79,960.28

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Solution

The fourth proportional to 133,673, 184,468.74 and 79,960.28 is: 110,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,673 : 184,468.74 = 79,960.28 : x
  2. Step 2: Convert to fraction form
    133,673/184,468.74 = 79,960.28/x
  3. Step 3: Cross multiply
    133,673x = 184,468.74 × 79,960.28
  4. Step 4: Simplify right side
    133,673x = 14,750,172,101.65
  5. Step 5: Solve for x
    x = 14,750,172,101.65/133,673
  6. Step 6: Final answer
    x = 110,345.19

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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.