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Finding the Fourth Proportional to 173,399.81, 260,099.72 and 48,740.81

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Solution

The fourth proportional to 173,399.81, 260,099.72 and 48,740.81 is: 73,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,399.81 : 260,099.72 = 48,740.81 : x
  2. Step 2: Convert to fraction form
    173,399.81/260,099.72 = 48,740.81/x
  3. Step 3: Cross multiply
    173,399.81x = 260,099.72 × 48,740.81
  4. Step 4: Simplify right side
    173,399.81x = 12,677,471,805.67
  5. Step 5: Solve for x
    x = 12,677,471,805.67/173,399.81
  6. Step 6: Final answer
    x = 73,111.22

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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.