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Finding the Fourth Proportional to 246,881.20, 370,282.20 and 89,028.40

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Solution

The fourth proportional to 246,881.20, 370,282.20 and 89,028.40 is: 133,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,881.20 : 370,282.20 = 89,028.40 : x
  2. Step 2: Convert to fraction form
    246,881.20/370,282.20 = 89,028.40/x
  3. Step 3: Cross multiply
    246,881.20x = 370,282.20 × 89,028.40
  4. Step 4: Simplify right side
    246,881.20x = 32,965,631,814.48
  5. Step 5: Solve for x
    x = 32,965,631,814.48/246,881.20
  6. Step 6: Final answer
    x = 133,528.32

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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.