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Finding the Fourth Proportional to 144,843.30, 217,200.15 and 65,916.90

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Solution

The fourth proportional to 144,843.30, 217,200.15 and 65,916.90 is: 98,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,843.30 : 217,200.15 = 65,916.90 : x
  2. Step 2: Convert to fraction form
    144,843.30/217,200.15 = 65,916.90/x
  3. Step 3: Cross multiply
    144,843.30x = 217,200.15 × 65,916.90
  4. Step 4: Simplify right side
    144,843.30x = 14,317,160,567.54
  5. Step 5: Solve for x
    x = 14,317,160,567.54/144,843.30
  6. Step 6: Final answer
    x = 98,845.86

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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.