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Finding the Fourth Proportional to 111,029.40, 166,058.10 and 99,268.20

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Solution

The fourth proportional to 111,029.40, 166,058.10 and 99,268.20 is: 148,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,029.40 : 166,058.10 = 99,268.20 : x
  2. Step 2: Convert to fraction form
    111,029.40/166,058.10 = 99,268.20/x
  3. Step 3: Cross multiply
    111,029.40x = 166,058.10 × 99,268.20
  4. Step 4: Simplify right side
    111,029.40x = 16,484,288,682.42
  5. Step 5: Solve for x
    x = 16,484,288,682.42/111,029.40
  6. Step 6: Final answer
    x = 148,467.78

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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.