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Finding the Fourth Proportional to 172,953.60, 259,624.80 and 133,684.80

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Solution

The fourth proportional to 172,953.60, 259,624.80 and 133,684.80 is: 200,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,953.60 : 259,624.80 = 133,684.80 : x
  2. Step 2: Convert to fraction form
    172,953.60/259,624.80 = 133,684.80/x
  3. Step 3: Cross multiply
    172,953.60x = 259,624.80 × 133,684.80
  4. Step 4: Simplify right side
    172,953.60x = 34,707,889,463.04
  5. Step 5: Solve for x
    x = 34,707,889,463.04/172,953.60
  6. Step 6: Final answer
    x = 200,677.46

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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.