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Finding the Fourth Proportional to 79,803.60, 119,733.96 and 34,192.16

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Solution

The fourth proportional to 79,803.60, 119,733.96 and 34,192.16 is: 51,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.60 : 119,733.96 = 34,192.16 : x
  2. Step 2: Convert to fraction form
    79,803.60/119,733.96 = 34,192.16/x
  3. Step 3: Cross multiply
    79,803.60x = 119,733.96 × 34,192.16
  4. Step 4: Simplify right side
    79,803.60x = 4,093,962,717.75
  5. Step 5: Solve for x
    x = 4,093,962,717.75/79,803.60
  6. Step 6: Final answer
    x = 51,300.48

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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.