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Finding the Fourth Proportional to 114,879.97, 172,320.05 and 36,000.34

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Solution

The fourth proportional to 114,879.97, 172,320.05 and 36,000.34 is: 54,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,879.97 : 172,320.05 = 36,000.34 : x
  2. Step 2: Convert to fraction form
    114,879.97/172,320.05 = 36,000.34/x
  3. Step 3: Cross multiply
    114,879.97x = 172,320.05 × 36,000.34
  4. Step 4: Simplify right side
    114,879.97x = 6,203,580,388.82
  5. Step 5: Solve for x
    x = 6,203,580,388.82/114,879.97
  6. Step 6: Final answer
    x = 54,000.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.