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Finding the Fourth Proportional to 133,590.69, 184,480.02 and 85,926.78

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Solution

The fourth proportional to 133,590.69, 184,480.02 and 85,926.78 is: 118,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,590.69 : 184,480.02 = 85,926.78 : x
  2. Step 2: Convert to fraction form
    133,590.69/184,480.02 = 85,926.78/x
  3. Step 3: Cross multiply
    133,590.69x = 184,480.02 × 85,926.78
  4. Step 4: Simplify right side
    133,590.69x = 15,851,774,092.94
  5. Step 5: Solve for x
    x = 15,851,774,092.94/133,590.69
  6. Step 6: Final answer
    x = 118,659.27

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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.