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Finding the Fourth Proportional to 173,424.81, 260,137.32 and 48,765.81

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Solution

The fourth proportional to 173,424.81, 260,137.32 and 48,765.81 is: 73,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,424.81 : 260,137.32 = 48,765.81 : x
  2. Step 2: Convert to fraction form
    173,424.81/260,137.32 = 48,765.81/x
  3. Step 3: Cross multiply
    173,424.81x = 260,137.32 × 48,765.81
  4. Step 4: Simplify right side
    173,424.81x = 12,685,807,121.03
  5. Step 5: Solve for x
    x = 12,685,807,121.03/173,424.81
  6. Step 6: Final answer
    x = 73,148.74

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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.