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Finding the Fourth Proportional to 172,833.69, 259,250.54 and 54,514.25

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Solution

The fourth proportional to 172,833.69, 259,250.54 and 54,514.25 is: 81,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,833.69 : 259,250.54 = 54,514.25 : x
  2. Step 2: Convert to fraction form
    172,833.69/259,250.54 = 54,514.25/x
  3. Step 3: Cross multiply
    172,833.69x = 259,250.54 × 54,514.25
  4. Step 4: Simplify right side
    172,833.69x = 14,132,849,323.93
  5. Step 5: Solve for x
    x = 14,132,849,323.93/172,833.69
  6. Step 6: Final answer
    x = 81,771.38

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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.