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Finding the Fourth Proportional to 191,170.32, 286,736.94 and 58,051.73

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Solution

The fourth proportional to 191,170.32, 286,736.94 and 58,051.73 is: 87,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,170.32 : 286,736.94 = 58,051.73 : x
  2. Step 2: Convert to fraction form
    191,170.32/286,736.94 = 58,051.73/x
  3. Step 3: Cross multiply
    191,170.32x = 286,736.94 × 58,051.73
  4. Step 4: Simplify right side
    191,170.32x = 16,645,575,421.91
  5. Step 5: Solve for x
    x = 16,645,575,421.91/191,170.32
  6. Step 6: Final answer
    x = 87,071.97

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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.