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Finding the Fourth Proportional to 316,383.58, 474,612.23 and 111,155.16

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Solution

The fourth proportional to 316,383.58, 474,612.23 and 111,155.16 is: 166,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,383.58 : 474,612.23 = 111,155.16 : x
  2. Step 2: Convert to fraction form
    316,383.58/474,612.23 = 111,155.16/x
  3. Step 3: Cross multiply
    316,383.58x = 474,612.23 × 111,155.16
  4. Step 4: Simplify right side
    316,383.58x = 52,755,597,126.35
  5. Step 5: Solve for x
    x = 52,755,597,126.35/316,383.58
  6. Step 6: Final answer
    x = 166,745.69

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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.