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Finding the Fourth Proportional to 100,613.14, 150,918.15 and 25,732.62

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Solution

The fourth proportional to 100,613.14, 150,918.15 and 25,732.62 is: 38,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,613.14 : 150,918.15 = 25,732.62 : x
  2. Step 2: Convert to fraction form
    100,613.14/150,918.15 = 25,732.62/x
  3. Step 3: Cross multiply
    100,613.14x = 150,918.15 × 25,732.62
  4. Step 4: Simplify right side
    100,613.14x = 3,883,519,501.55
  5. Step 5: Solve for x
    x = 3,883,519,501.55/100,613.14
  6. Step 6: Final answer
    x = 38,598.53

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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.