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Finding the Fourth Proportional to 144,782.94, 217,180.50 and 39,601.74

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Solution

The fourth proportional to 144,782.94, 217,180.50 and 39,601.74 is: 59,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,782.94 : 217,180.50 = 39,601.74 : x
  2. Step 2: Convert to fraction form
    144,782.94/217,180.50 = 39,601.74/x
  3. Step 3: Cross multiply
    144,782.94x = 217,180.50 × 39,601.74
  4. Step 4: Simplify right side
    144,782.94x = 8,600,725,694.07
  5. Step 5: Solve for x
    x = 8,600,725,694.07/144,782.94
  6. Step 6: Final answer
    x = 59,404.28

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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.