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Finding the Fourth Proportional to 133,613.73, 184,259.70 and 79,890.03

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Solution

The fourth proportional to 133,613.73, 184,259.70 and 79,890.03 is: 110,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,613.73 : 184,259.70 = 79,890.03 : x
  2. Step 2: Convert to fraction form
    133,613.73/184,259.70 = 79,890.03/x
  3. Step 3: Cross multiply
    133,613.73x = 184,259.70 × 79,890.03
  4. Step 4: Simplify right side
    133,613.73x = 14,720,512,960.79
  5. Step 5: Solve for x
    x = 14,720,512,960.79/133,613.73
  6. Step 6: Final answer
    x = 110,172.16

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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.