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Finding the Fourth Proportional to 172,674.76, 259,026.80 and 48,015.76

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Solution

The fourth proportional to 172,674.76, 259,026.80 and 48,015.76 is: 72,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,674.76 : 259,026.80 = 48,015.76 : x
  2. Step 2: Convert to fraction form
    172,674.76/259,026.80 = 48,015.76/x
  3. Step 3: Cross multiply
    172,674.76x = 259,026.80 × 48,015.76
  4. Step 4: Simplify right side
    172,674.76x = 12,437,368,662.37
  5. Step 5: Solve for x
    x = 12,437,368,662.37/172,674.76
  6. Step 6: Final answer
    x = 72,027.72

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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.