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Finding the Fourth Proportional to 172,552.01, 258,854.13 and 54,212.21

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Solution

The fourth proportional to 172,552.01, 258,854.13 and 54,212.21 is: 81,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,552.01 : 258,854.13 = 54,212.21 : x
  2. Step 2: Convert to fraction form
    172,552.01/258,854.13 = 54,212.21/x
  3. Step 3: Cross multiply
    172,552.01x = 258,854.13 × 54,212.21
  4. Step 4: Simplify right side
    172,552.01x = 14,033,054,454.93
  5. Step 5: Solve for x
    x = 14,033,054,454.93/172,552.01
  6. Step 6: Final answer
    x = 81,326.52

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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.