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Finding the Fourth Proportional to 173,900.80, 260,851.20 and 146,344.60

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Solution

The fourth proportional to 173,900.80, 260,851.20 and 146,344.60 is: 219,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,900.80 : 260,851.20 = 146,344.60 : x
  2. Step 2: Convert to fraction form
    173,900.80/260,851.20 = 146,344.60/x
  3. Step 3: Cross multiply
    173,900.80x = 260,851.20 × 146,344.60
  4. Step 4: Simplify right side
    173,900.80x = 38,174,164,523.52
  5. Step 5: Solve for x
    x = 38,174,164,523.52/173,900.80
  6. Step 6: Final answer
    x = 219,516.90

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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.