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Finding the Fourth Proportional to 104,815.70, 157,223.55 and 73,322.90

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Solution

The fourth proportional to 104,815.70, 157,223.55 and 73,322.90 is: 109,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,815.70 : 157,223.55 = 73,322.90 : x
  2. Step 2: Convert to fraction form
    104,815.70/157,223.55 = 73,322.90/x
  3. Step 3: Cross multiply
    104,815.70x = 157,223.55 × 73,322.90
  4. Step 4: Simplify right side
    104,815.70x = 11,528,086,634.30
  5. Step 5: Solve for x
    x = 11,528,086,634.30/104,815.70
  6. Step 6: Final answer
    x = 109,984.35

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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.