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Finding the Fourth Proportional to 172,675.76, 259,028.30 and 48,016.76

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Solution

The fourth proportional to 172,675.76, 259,028.30 and 48,016.76 is: 72,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,675.76 : 259,028.30 = 48,016.76 : x
  2. Step 2: Convert to fraction form
    172,675.76/259,028.30 = 48,016.76/x
  3. Step 3: Cross multiply
    172,675.76x = 259,028.30 × 48,016.76
  4. Step 4: Simplify right side
    172,675.76x = 12,437,699,714.31
  5. Step 5: Solve for x
    x = 12,437,699,714.31/172,675.76
  6. Step 6: Final answer
    x = 72,029.22

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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.