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Finding the Fourth Proportional to 104,787.39, 157,057.31 and 44,798.32

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Solution

The fourth proportional to 104,787.39, 157,057.31 and 44,798.32 is: 67,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.39 : 157,057.31 = 44,798.32 : x
  2. Step 2: Convert to fraction form
    104,787.39/157,057.31 = 44,798.32/x
  3. Step 3: Cross multiply
    104,787.39x = 157,057.31 × 44,798.32
  4. Step 4: Simplify right side
    104,787.39x = 7,035,903,631.72
  5. Step 5: Solve for x
    x = 7,035,903,631.72/104,787.39
  6. Step 6: Final answer
    x = 67,144.56

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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.