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Finding the Fourth Proportional to 133,571.75, 184,329.02 and 76,986.77

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Solution

The fourth proportional to 133,571.75, 184,329.02 and 76,986.77 is: 106,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,571.75 : 184,329.02 = 76,986.77 : x
  2. Step 2: Convert to fraction form
    133,571.75/184,329.02 = 76,986.77/x
  3. Step 3: Cross multiply
    133,571.75x = 184,329.02 × 76,986.77
  4. Step 4: Simplify right side
    133,571.75x = 14,190,895,482.13
  5. Step 5: Solve for x
    x = 14,190,895,482.13/133,571.75
  6. Step 6: Final answer
    x = 106,241.74

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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.