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Finding the Fourth Proportional to 183,516.88, 253,107.21 and 151,630.42

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Solution

The fourth proportional to 183,516.88, 253,107.21 and 151,630.42 is: 209,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,516.88 : 253,107.21 = 151,630.42 : x
  2. Step 2: Convert to fraction form
    183,516.88/253,107.21 = 151,630.42/x
  3. Step 3: Cross multiply
    183,516.88x = 253,107.21 × 151,630.42
  4. Step 4: Simplify right side
    183,516.88x = 38,378,752,557.33
  5. Step 5: Solve for x
    x = 38,378,752,557.33/183,516.88
  6. Step 6: Final answer
    x = 209,129.28

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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.