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Finding the Fourth Proportional to 170,240.59, 255,453.77 and 70,409.44

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Solution

The fourth proportional to 170,240.59, 255,453.77 and 70,409.44 is: 105,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,240.59 : 255,453.77 = 70,409.44 : x
  2. Step 2: Convert to fraction form
    170,240.59/255,453.77 = 70,409.44/x
  3. Step 3: Cross multiply
    170,240.59x = 255,453.77 × 70,409.44
  4. Step 4: Simplify right side
    170,240.59x = 17,986,356,891.59
  5. Step 5: Solve for x
    x = 17,986,356,891.59/170,240.59
  6. Step 6: Final answer
    x = 105,652.58

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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.