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Finding the Fourth Proportional to 133,611.98, 184,384.49 and 73,186.38

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Solution

The fourth proportional to 133,611.98, 184,384.49 and 73,186.38 is: 100,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,611.98 : 184,384.49 = 73,186.38 : x
  2. Step 2: Convert to fraction form
    133,611.98/184,384.49 = 73,186.38/x
  3. Step 3: Cross multiply
    133,611.98x = 184,384.49 × 73,186.38
  4. Step 4: Simplify right side
    133,611.98x = 13,494,432,985.31
  5. Step 5: Solve for x
    x = 13,494,432,985.31/133,611.98
  6. Step 6: Final answer
    x = 100,997.18

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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.