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Finding the Fourth Proportional to 133,478.50, 184,200.30 and 73,049.17

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Solution

The fourth proportional to 133,478.50, 184,200.30 and 73,049.17 is: 100,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,478.50 : 184,200.30 = 73,049.17 : x
  2. Step 2: Convert to fraction form
    133,478.50/184,200.30 = 73,049.17/x
  3. Step 3: Cross multiply
    133,478.50x = 184,200.30 × 73,049.17
  4. Step 4: Simplify right side
    133,478.50x = 13,455,679,028.75
  5. Step 5: Solve for x
    x = 13,455,679,028.75/133,478.50
  6. Step 6: Final answer
    x = 100,807.84

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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.