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Finding the Fourth Proportional to 223,612.80, 335,435.40 and 134,674.80

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Solution

The fourth proportional to 223,612.80, 335,435.40 and 134,674.80 is: 202,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,612.80 : 335,435.40 = 134,674.80 : x
  2. Step 2: Convert to fraction form
    223,612.80/335,435.40 = 134,674.80/x
  3. Step 3: Cross multiply
    223,612.80x = 335,435.40 × 134,674.80
  4. Step 4: Simplify right side
    223,612.80x = 45,174,695,407.92
  5. Step 5: Solve for x
    x = 45,174,695,407.92/223,612.80
  6. Step 6: Final answer
    x = 202,021.96

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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.