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Finding the Fourth Proportional to 170,441.80, 255,662.70 and 96,713.80

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Solution

The fourth proportional to 170,441.80, 255,662.70 and 96,713.80 is: 145,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,441.80 : 255,662.70 = 96,713.80 : x
  2. Step 2: Convert to fraction form
    170,441.80/255,662.70 = 96,713.80/x
  3. Step 3: Cross multiply
    170,441.80x = 255,662.70 × 96,713.80
  4. Step 4: Simplify right side
    170,441.80x = 24,726,111,235.26
  5. Step 5: Solve for x
    x = 24,726,111,235.26/170,441.80
  6. Step 6: Final answer
    x = 145,070.70

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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.