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Finding the Fourth Proportional to 110,765.70, 166,148.55 and 57,621.60

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Solution

The fourth proportional to 110,765.70, 166,148.55 and 57,621.60 is: 86,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,765.70 : 166,148.55 = 57,621.60 : x
  2. Step 2: Convert to fraction form
    110,765.70/166,148.55 = 57,621.60/x
  3. Step 3: Cross multiply
    110,765.70x = 166,148.55 × 57,621.60
  4. Step 4: Simplify right side
    110,765.70x = 9,573,745,288.68
  5. Step 5: Solve for x
    x = 9,573,745,288.68/110,765.70
  6. Step 6: Final answer
    x = 86,432.40

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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.