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Finding the Fourth Proportional to 173,392.55, 260,141.27 and 122,889.26

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Solution

The fourth proportional to 173,392.55, 260,141.27 and 122,889.26 is: 184,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,392.55 : 260,141.27 = 122,889.26 : x
  2. Step 2: Convert to fraction form
    173,392.55/260,141.27 = 122,889.26/x
  3. Step 3: Cross multiply
    173,392.55x = 260,141.27 × 122,889.26
  4. Step 4: Simplify right side
    173,392.55x = 31,968,566,250.61
  5. Step 5: Solve for x
    x = 31,968,566,250.61/173,392.55
  6. Step 6: Final answer
    x = 184,371.05

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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.