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Finding the Fourth Proportional to 204,061.60, 305,487.60 and 151,703.20

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Solution

The fourth proportional to 204,061.60, 305,487.60 and 151,703.20 is: 227,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,061.60 : 305,487.60 = 151,703.20 : x
  2. Step 2: Convert to fraction form
    204,061.60/305,487.60 = 151,703.20/x
  3. Step 3: Cross multiply
    204,061.60x = 305,487.60 × 151,703.20
  4. Step 4: Simplify right side
    204,061.60x = 46,343,446,480.32
  5. Step 5: Solve for x
    x = 46,343,446,480.32/204,061.60
  6. Step 6: Final answer
    x = 227,105.18

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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.