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Finding the Fourth Proportional to 202,531.60, 303,651.60 and 113,812.30

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Solution

The fourth proportional to 202,531.60, 303,651.60 and 113,812.30 is: 170,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,531.60 : 303,651.60 = 113,812.30 : x
  2. Step 2: Convert to fraction form
    202,531.60/303,651.60 = 113,812.30/x
  3. Step 3: Cross multiply
    202,531.60x = 303,651.60 × 113,812.30
  4. Step 4: Simplify right side
    202,531.60x = 34,559,286,994.68
  5. Step 5: Solve for x
    x = 34,559,286,994.68/202,531.60
  6. Step 6: Final answer
    x = 170,636.52

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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.