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Finding the Fourth Proportional to 202,426.60, 303,494.10 and 113,707.30

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Solution

The fourth proportional to 202,426.60, 303,494.10 and 113,707.30 is: 170,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,426.60 : 303,494.10 = 113,707.30 : x
  2. Step 2: Convert to fraction form
    202,426.60/303,494.10 = 113,707.30/x
  3. Step 3: Cross multiply
    202,426.60x = 303,494.10 × 113,707.30
  4. Step 4: Simplify right side
    202,426.60x = 34,509,494,676.93
  5. Step 5: Solve for x
    x = 34,509,494,676.93/202,426.60
  6. Step 6: Final answer
    x = 170,479.05

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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.