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Finding the Fourth Proportional to 191,586.08, 287,379.12 and 58,467.04

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Solution

The fourth proportional to 191,586.08, 287,379.12 and 58,467.04 is: 87,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,586.08 : 287,379.12 = 58,467.04 : x
  2. Step 2: Convert to fraction form
    191,586.08/287,379.12 = 58,467.04/x
  3. Step 3: Cross multiply
    191,586.08x = 287,379.12 × 58,467.04
  4. Step 4: Simplify right side
    191,586.08x = 16,802,206,504.20
  5. Step 5: Solve for x
    x = 16,802,206,504.20/191,586.08
  6. Step 6: Final answer
    x = 87,700.56

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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.