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Finding the Fourth Proportional to 73,117.69, 109,662.66 and 35,640.07

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Solution

The fourth proportional to 73,117.69, 109,662.66 and 35,640.07 is: 53,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.69 : 109,662.66 = 35,640.07 : x
  2. Step 2: Convert to fraction form
    73,117.69/109,662.66 = 35,640.07/x
  3. Step 3: Cross multiply
    73,117.69x = 109,662.66 × 35,640.07
  4. Step 4: Simplify right side
    73,117.69x = 3,908,384,604.63
  5. Step 5: Solve for x
    x = 3,908,384,604.63/73,117.69
  6. Step 6: Final answer
    x = 53,453.34

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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.