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Finding the Fourth Proportional to 223,685.70, 335,091.15 and 134,674.80

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Solution

The fourth proportional to 223,685.70, 335,091.15 and 134,674.80 is: 201,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,685.70 : 335,091.15 = 134,674.80 : x
  2. Step 2: Convert to fraction form
    223,685.70/335,091.15 = 134,674.80/x
  3. Step 3: Cross multiply
    223,685.70x = 335,091.15 × 134,674.80
  4. Step 4: Simplify right side
    223,685.70x = 45,128,333,608.02
  5. Step 5: Solve for x
    x = 45,128,333,608.02/223,685.70
  6. Step 6: Final answer
    x = 201,748.85

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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.