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Finding the Fourth Proportional to 104,803.80, 157,106.88 and 52,163.52

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Solution

The fourth proportional to 104,803.80, 157,106.88 and 52,163.52 is: 78,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,803.80 : 157,106.88 = 52,163.52 : x
  2. Step 2: Convert to fraction form
    104,803.80/157,106.88 = 52,163.52/x
  3. Step 3: Cross multiply
    104,803.80x = 157,106.88 × 52,163.52
  4. Step 4: Simplify right side
    104,803.80x = 8,195,247,877.02
  5. Step 5: Solve for x
    x = 8,195,247,877.02/104,803.80
  6. Step 6: Final answer
    x = 78,196.09

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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.