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Finding the Fourth Proportional to 172,813.92, 259,222.68 and 48,154.92

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Solution

The fourth proportional to 172,813.92, 259,222.68 and 48,154.92 is: 72,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,813.92 : 259,222.68 = 48,154.92 : x
  2. Step 2: Convert to fraction form
    172,813.92/259,222.68 = 48,154.92/x
  3. Step 3: Cross multiply
    172,813.92x = 259,222.68 × 48,154.92
  4. Step 4: Simplify right side
    172,813.92x = 12,482,847,417.59
  5. Step 5: Solve for x
    x = 12,482,847,417.59/172,813.92
  6. Step 6: Final answer
    x = 72,232.88

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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.