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Finding the Fourth Proportional to 173,394.31, 260,143.89 and 122,891.01

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Solution

The fourth proportional to 173,394.31, 260,143.89 and 122,891.01 is: 184,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,394.31 : 260,143.89 = 122,891.01 : x
  2. Step 2: Convert to fraction form
    173,394.31/260,143.89 = 122,891.01/x
  3. Step 3: Cross multiply
    173,394.31x = 260,143.89 × 122,891.01
  4. Step 4: Simplify right side
    173,394.31x = 31,969,344,086.71
  5. Step 5: Solve for x
    x = 31,969,344,086.71/173,394.31
  6. Step 6: Final answer
    x = 184,373.67

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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.