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Finding the Fourth Proportional to 171,205.60, 256,808.40 and 101,048.80

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Solution

The fourth proportional to 171,205.60, 256,808.40 and 101,048.80 is: 151,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,205.60 : 256,808.40 = 101,048.80 : x
  2. Step 2: Convert to fraction form
    171,205.60/256,808.40 = 101,048.80/x
  3. Step 3: Cross multiply
    171,205.60x = 256,808.40 × 101,048.80
  4. Step 4: Simplify right side
    171,205.60x = 25,950,180,649.92
  5. Step 5: Solve for x
    x = 25,950,180,649.92/171,205.60
  6. Step 6: Final answer
    x = 151,573.20

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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.