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Finding the Fourth Proportional to 120,779.48, 166,672.48 and 67,063.12

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Solution

The fourth proportional to 120,779.48, 166,672.48 and 67,063.12 is: 92,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,779.48 : 166,672.48 = 67,063.12 : x
  2. Step 2: Convert to fraction form
    120,779.48/166,672.48 = 67,063.12/x
  3. Step 3: Cross multiply
    120,779.48x = 166,672.48 × 67,063.12
  4. Step 4: Simplify right side
    120,779.48x = 11,177,576,526.94
  5. Step 5: Solve for x
    x = 11,177,576,526.94/120,779.48
  6. Step 6: Final answer
    x = 92,545.33

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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.