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Finding the Fourth Proportional to 183,892.08, 253,771.29 and 103,319.55

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Solution

The fourth proportional to 183,892.08, 253,771.29 and 103,319.55 is: 142,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,892.08 : 253,771.29 = 103,319.55 : x
  2. Step 2: Convert to fraction form
    183,892.08/253,771.29 = 103,319.55/x
  3. Step 3: Cross multiply
    183,892.08x = 253,771.29 × 103,319.55
  4. Step 4: Simplify right side
    183,892.08x = 26,219,535,861.85
  5. Step 5: Solve for x
    x = 26,219,535,861.85/183,892.08
  6. Step 6: Final answer
    x = 142,581.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.