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Finding the Fourth Proportional to 144,025.36, 216,035.48 and 38,855.44

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Solution

The fourth proportional to 144,025.36, 216,035.48 and 38,855.44 is: 58,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,025.36 : 216,035.48 = 38,855.44 : x
  2. Step 2: Convert to fraction form
    144,025.36/216,035.48 = 38,855.44/x
  3. Step 3: Cross multiply
    144,025.36x = 216,035.48 × 38,855.44
  4. Step 4: Simplify right side
    144,025.36x = 8,394,153,631.01
  5. Step 5: Solve for x
    x = 8,394,153,631.01/144,025.36
  6. Step 6: Final answer
    x = 58,282.47

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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.