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Finding the Fourth Proportional to 191,216.20, 286,839.48 and 58,108.08

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Solution

The fourth proportional to 191,216.20, 286,839.48 and 58,108.08 is: 87,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,216.20 : 286,839.48 = 58,108.08 : x
  2. Step 2: Convert to fraction form
    191,216.20/286,839.48 = 58,108.08/x
  3. Step 3: Cross multiply
    191,216.20x = 286,839.48 × 58,108.08
  4. Step 4: Simplify right side
    191,216.20x = 16,667,691,451.00
  5. Step 5: Solve for x
    x = 16,667,691,451.00/191,216.20
  6. Step 6: Final answer
    x = 87,166.73

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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.