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Finding the Fourth Proportional to 132,953.76, 199,523.97 and 120,248.91

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Solution

The fourth proportional to 132,953.76, 199,523.97 and 120,248.91 is: 180,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,953.76 : 199,523.97 = 120,248.91 : x
  2. Step 2: Convert to fraction form
    132,953.76/199,523.97 = 120,248.91/x
  3. Step 3: Cross multiply
    132,953.76x = 199,523.97 × 120,248.91
  4. Step 4: Simplify right side
    132,953.76x = 23,992,539,911.37
  5. Step 5: Solve for x
    x = 23,992,539,911.37/132,953.76
  6. Step 6: Final answer
    x = 180,457.78

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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.