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Finding the Fourth Proportional to 172,277.97, 258,396.39 and 45,927.69

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Solution

The fourth proportional to 172,277.97, 258,396.39 and 45,927.69 is: 68,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,277.97 : 258,396.39 = 45,927.69 : x
  2. Step 2: Convert to fraction form
    172,277.97/258,396.39 = 45,927.69/x
  3. Step 3: Cross multiply
    172,277.97x = 258,396.39 × 45,927.69
  4. Step 4: Simplify right side
    172,277.97x = 11,867,549,297.04
  5. Step 5: Solve for x
    x = 11,867,549,297.04/172,277.97
  6. Step 6: Final answer
    x = 68,886.05

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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.