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Finding the Fourth Proportional to 357,632.44, 536,449.38 and 133,042.12

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Solution

The fourth proportional to 357,632.44, 536,449.38 and 133,042.12 is: 199,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,632.44 : 536,449.38 = 133,042.12 : x
  2. Step 2: Convert to fraction form
    357,632.44/536,449.38 = 133,042.12/x
  3. Step 3: Cross multiply
    357,632.44x = 536,449.38 × 133,042.12
  4. Step 4: Simplify right side
    357,632.44x = 71,370,362,787.89
  5. Step 5: Solve for x
    x = 71,370,362,787.89/357,632.44
  6. Step 6: Final answer
    x = 199,563.45

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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.