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Finding the Fourth Proportional to 173,048.40, 259,572.60 and 165,520.80

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Solution

The fourth proportional to 173,048.40, 259,572.60 and 165,520.80 is: 248,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,048.40 : 259,572.60 = 165,520.80 : x
  2. Step 2: Convert to fraction form
    173,048.40/259,572.60 = 165,520.80/x
  3. Step 3: Cross multiply
    173,048.40x = 259,572.60 × 165,520.80
  4. Step 4: Simplify right side
    173,048.40x = 42,964,664,410.08
  5. Step 5: Solve for x
    x = 42,964,664,410.08/173,048.40
  6. Step 6: Final answer
    x = 248,281.20

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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.