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Finding the Fourth Proportional to 133,617.96, 184,347 and 76,216.05

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Solution

The fourth proportional to 133,617.96, 184,347 and 76,216.05 is: 105,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,617.96 : 184,347 = 76,216.05 : x
  2. Step 2: Convert to fraction form
    133,617.96/184,347 = 76,216.05/x
  3. Step 3: Cross multiply
    133,617.96x = 184,347 × 76,216.05
  4. Step 4: Simplify right side
    133,617.96x = 14,050,200,169.35
  5. Step 5: Solve for x
    x = 14,050,200,169.35/133,617.96
  6. Step 6: Final answer
    x = 105,152.03

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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.