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Finding the Fourth Proportional to 110,737.60, 166,130.70 and 54,604.60

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Solution

The fourth proportional to 110,737.60, 166,130.70 and 54,604.60 is: 81,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,737.60 : 166,130.70 = 54,604.60 : x
  2. Step 2: Convert to fraction form
    110,737.60/166,130.70 = 54,604.60/x
  3. Step 3: Cross multiply
    110,737.60x = 166,130.70 × 54,604.60
  4. Step 4: Simplify right side
    110,737.60x = 9,071,500,421.22
  5. Step 5: Solve for x
    x = 9,071,500,421.22/110,737.60
  6. Step 6: Final answer
    x = 81,918.88

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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.