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Finding the Fourth Proportional to 71,903.99, 99,227.83 and 41,707.19

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Solution

The fourth proportional to 71,903.99, 99,227.83 and 41,707.19 is: 57,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,903.99 : 99,227.83 = 41,707.19 : x
  2. Step 2: Convert to fraction form
    71,903.99/99,227.83 = 41,707.19/x
  3. Step 3: Cross multiply
    71,903.99x = 99,227.83 × 41,707.19
  4. Step 4: Simplify right side
    71,903.99x = 4,138,513,959.10
  5. Step 5: Solve for x
    x = 4,138,513,959.10/71,903.99
  6. Step 6: Final answer
    x = 57,556.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.