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Finding the Fourth Proportional to 183,109.50, 274,665.96 and 64,800.90

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Solution

The fourth proportional to 183,109.50, 274,665.96 and 64,800.90 is: 97,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,109.50 : 274,665.96 = 64,800.90 : x
  2. Step 2: Convert to fraction form
    183,109.50/274,665.96 = 64,800.90/x
  3. Step 3: Cross multiply
    183,109.50x = 274,665.96 × 64,800.90
  4. Step 4: Simplify right side
    183,109.50x = 17,798,601,407.36
  5. Step 5: Solve for x
    x = 17,798,601,407.36/183,109.50
  6. Step 6: Final answer
    x = 97,201.96

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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.