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Finding the Fourth Proportional to 111,298.16, 166,944.80 and 27,058.78

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Solution

The fourth proportional to 111,298.16, 166,944.80 and 27,058.78 is: 40,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.16 : 166,944.80 = 27,058.78 : x
  2. Step 2: Convert to fraction form
    111,298.16/166,944.80 = 27,058.78/x
  3. Step 3: Cross multiply
    111,298.16x = 166,944.80 × 27,058.78
  4. Step 4: Simplify right side
    111,298.16x = 4,517,322,615.34
  5. Step 5: Solve for x
    x = 4,517,322,615.34/111,298.16
  6. Step 6: Final answer
    x = 40,587.58

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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.