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Finding the Fourth Proportional to 172,824.80, 259,280.93 and 48,165.80

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Solution

The fourth proportional to 172,824.80, 259,280.93 and 48,165.80 is: 72,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,824.80 : 259,280.93 = 48,165.80 : x
  2. Step 2: Convert to fraction form
    172,824.80/259,280.93 = 48,165.80/x
  3. Step 3: Cross multiply
    172,824.80x = 259,280.93 × 48,165.80
  4. Step 4: Simplify right side
    172,824.80x = 12,488,473,418.19
  5. Step 5: Solve for x
    x = 12,488,473,418.19/172,824.80
  6. Step 6: Final answer
    x = 72,260.89

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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.