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Finding the Fourth Proportional to 172,481.99, 237,821.51 and 118,060.34

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Solution

The fourth proportional to 172,481.99, 237,821.51 and 118,060.34 is: 162,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,481.99 : 237,821.51 = 118,060.34 : x
  2. Step 2: Convert to fraction form
    172,481.99/237,821.51 = 118,060.34/x
  3. Step 3: Cross multiply
    172,481.99x = 237,821.51 × 118,060.34
  4. Step 4: Simplify right side
    172,481.99x = 28,077,286,550.50
  5. Step 5: Solve for x
    x = 28,077,286,550.50/172,481.99
  6. Step 6: Final answer
    x = 162,783.88

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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.