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Finding the Fourth Proportional to 88,211.60, 132,163.80 and 57,030.80

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Solution

The fourth proportional to 88,211.60, 132,163.80 and 57,030.80 is: 85,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,211.60 : 132,163.80 = 57,030.80 : x
  2. Step 2: Convert to fraction form
    88,211.60/132,163.80 = 57,030.80/x
  3. Step 3: Cross multiply
    88,211.60x = 132,163.80 × 57,030.80
  4. Step 4: Simplify right side
    88,211.60x = 7,537,407,245.04
  5. Step 5: Solve for x
    x = 7,537,407,245.04/88,211.60
  6. Step 6: Final answer
    x = 85,446.89

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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.