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Finding the Fourth Proportional to 173,497.60, 260,343.60 and 73,640.80

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Solution

The fourth proportional to 173,497.60, 260,343.60 and 73,640.80 is: 110,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,497.60 : 260,343.60 = 73,640.80 : x
  2. Step 2: Convert to fraction form
    173,497.60/260,343.60 = 73,640.80/x
  3. Step 3: Cross multiply
    173,497.60x = 260,343.60 × 73,640.80
  4. Step 4: Simplify right side
    173,497.60x = 19,171,910,978.88
  5. Step 5: Solve for x
    x = 19,171,910,978.88/173,497.60
  6. Step 6: Final answer
    x = 110,502.46

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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.