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Finding the Fourth Proportional to 171,358.12, 256,987.86 and 59,033.80

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Solution

The fourth proportional to 171,358.12, 256,987.86 and 59,033.80 is: 88,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,358.12 : 256,987.86 = 59,033.80 : x
  2. Step 2: Convert to fraction form
    171,358.12/256,987.86 = 59,033.80/x
  3. Step 3: Cross multiply
    171,358.12x = 256,987.86 × 59,033.80
  4. Step 4: Simplify right side
    171,358.12x = 15,170,969,929.67
  5. Step 5: Solve for x
    x = 15,170,969,929.67/171,358.12
  6. Step 6: Final answer
    x = 88,533.71

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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.