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Finding the Fourth Proportional to 189,702.10, 284,584.03 and 88,601.25

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Solution

The fourth proportional to 189,702.10, 284,584.03 and 88,601.25 is: 132,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,702.10 : 284,584.03 = 88,601.25 : x
  2. Step 2: Convert to fraction form
    189,702.10/284,584.03 = 88,601.25/x
  3. Step 3: Cross multiply
    189,702.10x = 284,584.03 × 88,601.25
  4. Step 4: Simplify right side
    189,702.10x = 25,214,500,345.03
  5. Step 5: Solve for x
    x = 25,214,500,345.03/189,702.10
  6. Step 6: Final answer
    x = 132,916.30

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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.