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Finding the Fourth Proportional to 104,807.80, 157,112.88 and 52,167.52

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Solution

The fourth proportional to 104,807.80, 157,112.88 and 52,167.52 is: 78,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,807.80 : 157,112.88 = 52,167.52 : x
  2. Step 2: Convert to fraction form
    104,807.80/157,112.88 = 52,167.52/x
  3. Step 3: Cross multiply
    104,807.80x = 157,112.88 × 52,167.52
  4. Step 4: Simplify right side
    104,807.80x = 8,196,189,309.66
  5. Step 5: Solve for x
    x = 8,196,189,309.66/104,807.80
  6. Step 6: Final answer
    x = 78,202.09

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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.