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Finding the Fourth Proportional to 144,737.94, 217,112.99 and 39,556.61

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Solution

The fourth proportional to 144,737.94, 217,112.99 and 39,556.61 is: 59,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,737.94 : 217,112.99 = 39,556.61 : x
  2. Step 2: Convert to fraction form
    144,737.94/217,112.99 = 39,556.61/x
  3. Step 3: Cross multiply
    144,737.94x = 217,112.99 × 39,556.61
  4. Step 4: Simplify right side
    144,737.94x = 8,588,252,588.02
  5. Step 5: Solve for x
    x = 8,588,252,588.02/144,737.94
  6. Step 6: Final answer
    x = 59,336.57

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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.