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Finding the Fourth Proportional to 107,957.70, 161,821.35 and 41,372.10

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Solution

The fourth proportional to 107,957.70, 161,821.35 and 41,372.10 is: 62,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.70 : 161,821.35 = 41,372.10 : x
  2. Step 2: Convert to fraction form
    107,957.70/161,821.35 = 41,372.10/x
  3. Step 3: Cross multiply
    107,957.70x = 161,821.35 × 41,372.10
  4. Step 4: Simplify right side
    107,957.70x = 6,694,889,074.34
  5. Step 5: Solve for x
    x = 6,694,889,074.34/107,957.70
  6. Step 6: Final answer
    x = 62,014.00

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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.