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Finding the Fourth Proportional to 191,062.38, 286,593.99 and 50,821.02

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Solution

The fourth proportional to 191,062.38, 286,593.99 and 50,821.02 is: 76,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,062.38 : 286,593.99 = 50,821.02 : x
  2. Step 2: Convert to fraction form
    191,062.38/286,593.99 = 50,821.02/x
  3. Step 3: Cross multiply
    191,062.38x = 286,593.99 × 50,821.02
  4. Step 4: Simplify right side
    191,062.38x = 14,564,998,897.67
  5. Step 5: Solve for x
    x = 14,564,998,897.67/191,062.38
  6. Step 6: Final answer
    x = 76,231.64

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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.