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Finding the Fourth Proportional to 191,016.83, 286,508.68 and 64,654.27

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Solution

The fourth proportional to 191,016.83, 286,508.68 and 64,654.27 is: 96,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,016.83 : 286,508.68 = 64,654.27 : x
  2. Step 2: Convert to fraction form
    191,016.83/286,508.68 = 64,654.27/x
  3. Step 3: Cross multiply
    191,016.83x = 286,508.68 × 64,654.27
  4. Step 4: Simplify right side
    191,016.83x = 18,524,008,676.16
  5. Step 5: Solve for x
    x = 18,524,008,676.16/191,016.83
  6. Step 6: Final answer
    x = 96,975.79

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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.