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Finding the Fourth Proportional to 173,110.40, 259,471.20 and 73,253.60

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Solution

The fourth proportional to 173,110.40, 259,471.20 and 73,253.60 is: 109,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,110.40 : 259,471.20 = 73,253.60 : x
  2. Step 2: Convert to fraction form
    173,110.40/259,471.20 = 73,253.60/x
  3. Step 3: Cross multiply
    173,110.40x = 259,471.20 × 73,253.60
  4. Step 4: Simplify right side
    173,110.40x = 19,007,199,496.32
  5. Step 5: Solve for x
    x = 19,007,199,496.32/173,110.40
  6. Step 6: Final answer
    x = 109,798.14

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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.