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Finding the Fourth Proportional to 142,621, 213,943.02 and 44,125

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Solution

The fourth proportional to 142,621, 213,943.02 and 44,125 is: 66,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,621 : 213,943.02 = 44,125 : x
  2. Step 2: Convert to fraction form
    142,621/213,943.02 = 44,125/x
  3. Step 3: Cross multiply
    142,621x = 213,943.02 × 44,125
  4. Step 4: Simplify right side
    142,621x = 9,440,235,757.50
  5. Step 5: Solve for x
    x = 9,440,235,757.50/142,621
  6. Step 6: Final answer
    x = 66,191.06

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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.