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Finding the Fourth Proportional to 173,235.80, 259,935.96 and 120,009.44

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Solution

The fourth proportional to 173,235.80, 259,935.96 and 120,009.44 is: 180,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,235.80 : 259,935.96 = 120,009.44 : x
  2. Step 2: Convert to fraction form
    173,235.80/259,935.96 = 120,009.44/x
  3. Step 3: Cross multiply
    173,235.80x = 259,935.96 × 120,009.44
  4. Step 4: Simplify right side
    173,235.80x = 31,194,768,995.46
  5. Step 5: Solve for x
    x = 31,194,768,995.46/173,235.80
  6. Step 6: Final answer
    x = 180,071.15

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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.