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Finding the Fourth Proportional to 191,745.74, 287,618.61 and 58,626.00

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Solution

The fourth proportional to 191,745.74, 287,618.61 and 58,626.00 is: 87,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,745.74 : 287,618.61 = 58,626.00 : x
  2. Step 2: Convert to fraction form
    191,745.74/287,618.61 = 58,626.00/x
  3. Step 3: Cross multiply
    191,745.74x = 287,618.61 × 58,626.00
  4. Step 4: Simplify right side
    191,745.74x = 16,861,927,910.81
  5. Step 5: Solve for x
    x = 16,861,927,910.81/191,745.74
  6. Step 6: Final answer
    x = 87,939.00

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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.