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Finding the Fourth Proportional to 106,333.60, 159,487.60 and 43,997.60

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Solution

The fourth proportional to 106,333.60, 159,487.60 and 43,997.60 is: 65,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,333.60 : 159,487.60 = 43,997.60 : x
  2. Step 2: Convert to fraction form
    106,333.60/159,487.60 = 43,997.60/x
  3. Step 3: Cross multiply
    106,333.60x = 159,487.60 × 43,997.60
  4. Step 4: Simplify right side
    106,333.60x = 7,017,071,629.76
  5. Step 5: Solve for x
    x = 7,017,071,629.76/106,333.60
  6. Step 6: Final answer
    x = 65,991.10

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1.5x scale

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.