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Finding the Fourth Proportional to 172,936.40, 259,404.60 and 48,277.40

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Solution

The fourth proportional to 172,936.40, 259,404.60 and 48,277.40 is: 72,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,936.40 : 259,404.60 = 48,277.40 : x
  2. Step 2: Convert to fraction form
    172,936.40/259,404.60 = 48,277.40/x
  3. Step 3: Cross multiply
    172,936.40x = 259,404.60 × 48,277.40
  4. Step 4: Simplify right side
    172,936.40x = 12,523,379,636.04
  5. Step 5: Solve for x
    x = 12,523,379,636.04/172,936.40
  6. Step 6: Final answer
    x = 72,416.10

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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.