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Finding the Fourth Proportional to 174,889.40, 262,334.10 and 111,903.80

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Solution

The fourth proportional to 174,889.40, 262,334.10 and 111,903.80 is: 167,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,889.40 : 262,334.10 = 111,903.80 : x
  2. Step 2: Convert to fraction form
    174,889.40/262,334.10 = 111,903.80/x
  3. Step 3: Cross multiply
    174,889.40x = 262,334.10 × 111,903.80
  4. Step 4: Simplify right side
    174,889.40x = 29,356,182,659.58
  5. Step 5: Solve for x
    x = 29,356,182,659.58/174,889.40
  6. Step 6: Final answer
    x = 167,855.70

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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.