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Finding the Fourth Proportional to 183,142.69, 252,775.97 and 107,734.21

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Solution

The fourth proportional to 183,142.69, 252,775.97 and 107,734.21 is: 148,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,142.69 : 252,775.97 = 107,734.21 : x
  2. Step 2: Convert to fraction form
    183,142.69/252,775.97 = 107,734.21/x
  3. Step 3: Cross multiply
    183,142.69x = 252,775.97 × 107,734.21
  4. Step 4: Simplify right side
    183,142.69x = 27,232,618,896.26
  5. Step 5: Solve for x
    x = 27,232,618,896.26/183,142.69
  6. Step 6: Final answer
    x = 148,696.18

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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.