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Finding the Fourth Proportional to 172,326.96, 237,650.76 and 111,832.92

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Solution

The fourth proportional to 172,326.96, 237,650.76 and 111,832.92 is: 154,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,326.96 : 237,650.76 = 111,832.92 : x
  2. Step 2: Convert to fraction form
    172,326.96/237,650.76 = 111,832.92/x
  3. Step 3: Cross multiply
    172,326.96x = 237,650.76 × 111,832.92
  4. Step 4: Simplify right side
    172,326.96x = 26,577,178,431.02
  5. Step 5: Solve for x
    x = 26,577,178,431.02/172,326.96
  6. Step 6: Final answer
    x = 154,225.31

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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.