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Finding the Fourth Proportional to 132,037.78, 182,212.23 and 71,608.42

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Solution

The fourth proportional to 132,037.78, 182,212.23 and 71,608.42 is: 98,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,037.78 : 182,212.23 = 71,608.42 : x
  2. Step 2: Convert to fraction form
    132,037.78/182,212.23 = 71,608.42/x
  3. Step 3: Cross multiply
    132,037.78x = 182,212.23 × 71,608.42
  4. Step 4: Simplify right side
    132,037.78x = 13,047,929,894.98
  5. Step 5: Solve for x
    x = 13,047,929,894.98/132,037.78
  6. Step 6: Final answer
    x = 98,819.67

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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.