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Finding the Fourth Proportional to 173,010.68, 259,437.95 and 73,119.45

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Solution

The fourth proportional to 173,010.68, 259,437.95 and 73,119.45 is: 109,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,010.68 : 259,437.95 = 73,119.45 : x
  2. Step 2: Convert to fraction form
    173,010.68/259,437.95 = 73,119.45/x
  3. Step 3: Cross multiply
    173,010.68x = 259,437.95 × 73,119.45
  4. Step 4: Simplify right side
    173,010.68x = 18,969,959,847.53
  5. Step 5: Solve for x
    x = 18,969,959,847.53/173,010.68
  6. Step 6: Final answer
    x = 109,646.18

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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.