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Finding the Fourth Proportional to 111,053.40, 166,601.70 and 32,170.20

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Solution

The fourth proportional to 111,053.40, 166,601.70 and 32,170.20 is: 48,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,053.40 : 166,601.70 = 32,170.20 : x
  2. Step 2: Convert to fraction form
    111,053.40/166,601.70 = 32,170.20/x
  3. Step 3: Cross multiply
    111,053.40x = 166,601.70 × 32,170.20
  4. Step 4: Simplify right side
    111,053.40x = 5,359,610,009.34
  5. Step 5: Solve for x
    x = 5,359,610,009.34/111,053.40
  6. Step 6: Final answer
    x = 48,261.56

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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.