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Finding the Fourth Proportional to 173,295.92, 259,832.60 and 72,164

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Solution

The fourth proportional to 173,295.92, 259,832.60 and 72,164 is: 108,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,295.92 : 259,832.60 = 72,164 : x
  2. Step 2: Convert to fraction form
    173,295.92/259,832.60 = 72,164/x
  3. Step 3: Cross multiply
    173,295.92x = 259,832.60 × 72,164
  4. Step 4: Simplify right side
    173,295.92x = 18,750,559,746.40
  5. Step 5: Solve for x
    x = 18,750,559,746.40/173,295.92
  6. Step 6: Final answer
    x = 108,199.66

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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.