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Finding the Fourth Proportional to 173,362.68, 260,086.95 and 102,343.50

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Solution

The fourth proportional to 173,362.68, 260,086.95 and 102,343.50 is: 153,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,362.68 : 260,086.95 = 102,343.50 : x
  2. Step 2: Convert to fraction form
    173,362.68/260,086.95 = 102,343.50/x
  3. Step 3: Cross multiply
    173,362.68x = 260,086.95 × 102,343.50
  4. Step 4: Simplify right side
    173,362.68x = 26,618,208,767.33
  5. Step 5: Solve for x
    x = 26,618,208,767.33/173,362.68
  6. Step 6: Final answer
    x = 153,540.59

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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.