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Finding the Fourth Proportional to 133,438.66, 184,143.70 and 73,008.43

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Solution

The fourth proportional to 133,438.66, 184,143.70 and 73,008.43 is: 100,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.66 : 184,143.70 = 73,008.43 : x
  2. Step 2: Convert to fraction form
    133,438.66/184,143.70 = 73,008.43/x
  3. Step 3: Cross multiply
    133,438.66x = 184,143.70 × 73,008.43
  4. Step 4: Simplify right side
    133,438.66x = 13,444,042,153.55
  5. Step 5: Solve for x
    x = 13,444,042,153.55/133,438.66
  6. Step 6: Final answer
    x = 100,750.73

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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.