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Finding the Fourth Proportional to 144,336.80, 216,640.20 and 73,310.24

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Solution

The fourth proportional to 144,336.80, 216,640.20 and 73,310.24 is: 110,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,336.80 : 216,640.20 = 73,310.24 : x
  2. Step 2: Convert to fraction form
    144,336.80/216,640.20 = 73,310.24/x
  3. Step 3: Cross multiply
    144,336.80x = 216,640.20 × 73,310.24
  4. Step 4: Simplify right side
    144,336.80x = 15,881,945,055.65
  5. Step 5: Solve for x
    x = 15,881,945,055.65/144,336.80
  6. Step 6: Final answer
    x = 110,033.93

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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.