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Finding the Fourth Proportional to 132,855.48, 199,330.74 and 56,922.12

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Solution

The fourth proportional to 132,855.48, 199,330.74 and 56,922.12 is: 85,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.48 : 199,330.74 = 56,922.12 : x
  2. Step 2: Convert to fraction form
    132,855.48/199,330.74 = 56,922.12/x
  3. Step 3: Cross multiply
    132,855.48x = 199,330.74 × 56,922.12
  4. Step 4: Simplify right side
    132,855.48x = 11,346,328,301.97
  5. Step 5: Solve for x
    x = 11,346,328,301.97/132,855.48
  6. Step 6: Final answer
    x = 85,403.54

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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.