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Finding the Fourth Proportional to 80,056.64, 110,478.98 and 43,759.12

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Solution

The fourth proportional to 80,056.64, 110,478.98 and 43,759.12 is: 60,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.64 : 110,478.98 = 43,759.12 : x
  2. Step 2: Convert to fraction form
    80,056.64/110,478.98 = 43,759.12/x
  3. Step 3: Cross multiply
    80,056.64x = 110,478.98 × 43,759.12
  4. Step 4: Simplify right side
    80,056.64x = 4,834,462,172.11
  5. Step 5: Solve for x
    x = 4,834,462,172.11/80,056.64
  6. Step 6: Final answer
    x = 60,388.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.