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Finding the Fourth Proportional to 133,685.56, 184,486.02 and 74,069.56

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Solution

The fourth proportional to 133,685.56, 184,486.02 and 74,069.56 is: 102,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.56 : 184,486.02 = 74,069.56 : x
  2. Step 2: Convert to fraction form
    133,685.56/184,486.02 = 74,069.56/x
  3. Step 3: Cross multiply
    133,685.56x = 184,486.02 × 74,069.56
  4. Step 4: Simplify right side
    133,685.56x = 13,664,798,327.55
  5. Step 5: Solve for x
    x = 13,664,798,327.55/133,685.56
  6. Step 6: Final answer
    x = 102,215.96

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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.