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Finding the Fourth Proportional to 134,933.60, 202,227.60 and 103,613.60

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Solution

The fourth proportional to 134,933.60, 202,227.60 and 103,613.60 is: 155,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,933.60 : 202,227.60 = 103,613.60 : x
  2. Step 2: Convert to fraction form
    134,933.60/202,227.60 = 103,613.60/x
  3. Step 3: Cross multiply
    134,933.60x = 202,227.60 × 103,613.60
  4. Step 4: Simplify right side
    134,933.60x = 20,953,529,655.36
  5. Step 5: Solve for x
    x = 20,953,529,655.36/134,933.60
  6. Step 6: Final answer
    x = 155,287.71

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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.