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Finding the Fourth Proportional to 173,459.40, 260,213.40 and 73,618.80

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Solution

The fourth proportional to 173,459.40, 260,213.40 and 73,618.80 is: 110,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,459.40 : 260,213.40 = 73,618.80 : x
  2. Step 2: Convert to fraction form
    173,459.40/260,213.40 = 73,618.80/x
  3. Step 3: Cross multiply
    173,459.40x = 260,213.40 × 73,618.80
  4. Step 4: Simplify right side
    173,459.40x = 19,156,598,251.92
  5. Step 5: Solve for x
    x = 19,156,598,251.92/173,459.40
  6. Step 6: Final answer
    x = 110,438.51

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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.