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Finding the Fourth Proportional to 270,600.12, 405,852.66 and 83,613.24

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Solution

The fourth proportional to 270,600.12, 405,852.66 and 83,613.24 is: 125,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,600.12 : 405,852.66 = 83,613.24 : x
  2. Step 2: Convert to fraction form
    270,600.12/405,852.66 = 83,613.24/x
  3. Step 3: Cross multiply
    270,600.12x = 405,852.66 × 83,613.24
  4. Step 4: Simplify right side
    270,600.12x = 33,934,655,865.22
  5. Step 5: Solve for x
    x = 33,934,655,865.22/270,600.12
  6. Step 6: Final answer
    x = 125,405.18

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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.