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Finding the Fourth Proportional to 214,272.92, 321,409.92 and 64,513.64

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Solution

The fourth proportional to 214,272.92, 321,409.92 and 64,513.64 is: 96,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,272.92 : 321,409.92 = 64,513.64 : x
  2. Step 2: Convert to fraction form
    214,272.92/321,409.92 = 64,513.64/x
  3. Step 3: Cross multiply
    214,272.92x = 321,409.92 × 64,513.64
  4. Step 4: Simplify right side
    214,272.92x = 20,735,323,871.31
  5. Step 5: Solve for x
    x = 20,735,323,871.31/214,272.92
  6. Step 6: Final answer
    x = 96,770.62

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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.