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Finding the Fourth Proportional to 173,328.20, 260,040.90 and 73,536.20

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Solution

The fourth proportional to 173,328.20, 260,040.90 and 73,536.20 is: 110,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,328.20 : 260,040.90 = 73,536.20 : x
  2. Step 2: Convert to fraction form
    173,328.20/260,040.90 = 73,536.20/x
  3. Step 3: Cross multiply
    173,328.20x = 260,040.90 × 73,536.20
  4. Step 4: Simplify right side
    173,328.20x = 19,122,419,630.58
  5. Step 5: Solve for x
    x = 19,122,419,630.58/173,328.20
  6. Step 6: Final answer
    x = 110,324.92

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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.