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Finding the Fourth Proportional to 173,366.60, 259,905.90 and 73,603.40

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Solution

The fourth proportional to 173,366.60, 259,905.90 and 73,603.40 is: 110,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,366.60 : 259,905.90 = 73,603.40 : x
  2. Step 2: Convert to fraction form
    173,366.60/259,905.90 = 73,603.40/x
  3. Step 3: Cross multiply
    173,366.60x = 259,905.90 × 73,603.40
  4. Step 4: Simplify right side
    173,366.60x = 19,129,957,920.06
  5. Step 5: Solve for x
    x = 19,129,957,920.06/173,366.60
  6. Step 6: Final answer
    x = 110,343.96

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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.