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Finding the Fourth Proportional to 183,673.76, 253,474.20 and 103,107.20

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Solution

The fourth proportional to 183,673.76, 253,474.20 and 103,107.20 is: 142,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,673.76 : 253,474.20 = 103,107.20 : x
  2. Step 2: Convert to fraction form
    183,673.76/253,474.20 = 103,107.20/x
  3. Step 3: Cross multiply
    183,673.76x = 253,474.20 × 103,107.20
  4. Step 4: Simplify right side
    183,673.76x = 26,135,015,034.24
  5. Step 5: Solve for x
    x = 26,135,015,034.24/183,673.76
  6. Step 6: Final answer
    x = 142,290.41

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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.