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Finding the Fourth Proportional to 173,102.40, 259,680.60 and 54,762.48

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Solution

The fourth proportional to 173,102.40, 259,680.60 and 54,762.48 is: 82,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,102.40 : 259,680.60 = 54,762.48 : x
  2. Step 2: Convert to fraction form
    173,102.40/259,680.60 = 54,762.48/x
  3. Step 3: Cross multiply
    173,102.40x = 259,680.60 × 54,762.48
  4. Step 4: Simplify right side
    173,102.40x = 14,220,753,663.89
  5. Step 5: Solve for x
    x = 14,220,753,663.89/173,102.40
  6. Step 6: Final answer
    x = 82,152.26

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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.