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Finding the Fourth Proportional to 183,151.62, 275,148.62 and 129,240.45

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Solution

The fourth proportional to 183,151.62, 275,148.62 and 129,240.45 is: 194,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,151.62 : 275,148.62 = 129,240.45 : x
  2. Step 2: Convert to fraction form
    183,151.62/275,148.62 = 129,240.45/x
  3. Step 3: Cross multiply
    183,151.62x = 275,148.62 × 129,240.45
  4. Step 4: Simplify right side
    183,151.62x = 35,560,330,819.48
  5. Step 5: Solve for x
    x = 35,560,330,819.48/183,151.62
  6. Step 6: Final answer
    x = 194,157.88

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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.