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Finding the Fourth Proportional to 170,405.92, 255,608.94 and 45,746.92

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Solution

The fourth proportional to 170,405.92, 255,608.94 and 45,746.92 is: 68,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,405.92 : 255,608.94 = 45,746.92 : x
  2. Step 2: Convert to fraction form
    170,405.92/255,608.94 = 45,746.92/x
  3. Step 3: Cross multiply
    170,405.92x = 255,608.94 × 45,746.92
  4. Step 4: Simplify right side
    170,405.92x = 11,693,321,729.46
  5. Step 5: Solve for x
    x = 11,693,321,729.46/170,405.92
  6. Step 6: Final answer
    x = 68,620.40

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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.