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Finding the Fourth Proportional to 203,859.60, 305,184.60 and 151,501.20

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Solution

The fourth proportional to 203,859.60, 305,184.60 and 151,501.20 is: 226,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,859.60 : 305,184.60 = 151,501.20 : x
  2. Step 2: Convert to fraction form
    203,859.60/305,184.60 = 151,501.20/x
  3. Step 3: Cross multiply
    203,859.60x = 305,184.60 × 151,501.20
  4. Step 4: Simplify right side
    203,859.60x = 46,235,833,121.52
  5. Step 5: Solve for x
    x = 46,235,833,121.52/203,859.60
  6. Step 6: Final answer
    x = 226,802.33

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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.