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Finding the Fourth Proportional to 100,808.40, 151,212.60 and 41,613.60

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Solution

The fourth proportional to 100,808.40, 151,212.60 and 41,613.60 is: 62,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,808.40 : 151,212.60 = 41,613.60 : x
  2. Step 2: Convert to fraction form
    100,808.40/151,212.60 = 41,613.60/x
  3. Step 3: Cross multiply
    100,808.40x = 151,212.60 × 41,613.60
  4. Step 4: Simplify right side
    100,808.40x = 6,292,500,651.36
  5. Step 5: Solve for x
    x = 6,292,500,651.36/100,808.40
  6. Step 6: Final answer
    x = 62,420.40

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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.