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Finding the Fourth Proportional to 104,816.70, 157,225.05 and 73,323.90

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Solution

The fourth proportional to 104,816.70, 157,225.05 and 73,323.90 is: 109,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.70 : 157,225.05 = 73,323.90 : x
  2. Step 2: Convert to fraction form
    104,816.70/157,225.05 = 73,323.90/x
  3. Step 3: Cross multiply
    104,816.70x = 157,225.05 × 73,323.90
  4. Step 4: Simplify right side
    104,816.70x = 11,528,353,843.70
  5. Step 5: Solve for x
    x = 11,528,353,843.70/104,816.70
  6. Step 6: Final answer
    x = 109,985.85

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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.