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Finding the Fourth Proportional to 172,842.93, 259,264.40 and 54,523.46

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Solution

The fourth proportional to 172,842.93, 259,264.40 and 54,523.46 is: 81,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,842.93 : 259,264.40 = 54,523.46 : x
  2. Step 2: Convert to fraction form
    172,842.93/259,264.40 = 54,523.46/x
  3. Step 3: Cross multiply
    172,842.93x = 259,264.40 × 54,523.46
  4. Step 4: Simplify right side
    172,842.93x = 14,135,992,518.37
  5. Step 5: Solve for x
    x = 14,135,992,518.37/172,842.93
  6. Step 6: Final answer
    x = 81,785.19

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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.