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Finding the Fourth Proportional to 174,367.56, 261,221.22 and 103,076.76

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Solution

The fourth proportional to 174,367.56, 261,221.22 and 103,076.76 is: 154,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,367.56 : 261,221.22 = 103,076.76 : x
  2. Step 2: Convert to fraction form
    174,367.56/261,221.22 = 103,076.76/x
  3. Step 3: Cross multiply
    174,367.56x = 261,221.22 × 103,076.76
  4. Step 4: Simplify right side
    174,367.56x = 26,925,837,000.85
  5. Step 5: Solve for x
    x = 26,925,837,000.85/174,367.56
  6. Step 6: Final answer
    x = 154,419.99

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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.